GST ASK Annual Review Guide

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GST: Assisted Self-Help Kit (ASK)

Annual Review Guide

(Fifth edition)

IRAS e-Tax Guide

Published by

Inland Revenue Authority of Singapore

Published on 5 Sep 2017

First edition on 31 Mar 2014

Disclaimers: IRAS shall not be responsible or held accountable in any way for any damage, loss

or expense whatsoever, arising directly or indirectly from any inaccuracy or incompleteness in the

Contents of this e-Tax Guide, or errors or omissions in the transmission of the Contents. IRAS

shall not be responsible or held accountable in any way for any decision made or action taken by

you or any third party in reliance upon the Contents in this e-Tax Guide. This information aims to

provide a better general understanding of taxpayers’ tax obligations and is not intended to

comprehensively address all possible tax issues that may arise. While every effort has been made

to ensure that this information is consistent with existing law and practice, should there be any

changes, IRAS reserves the right to vary our position accordingly.

any means, including photocopying and recording without the written permission of the copyright

holder, application for which should be addressed to the publisher. Such written permission must

also be obtained before any part of this publication is stored in a retrieval system of any nature.

Table of contents 
 
Page 
Aim ...................................................................................................................... 1 
At a glance .......................................................................................................... 1 
Benefits of adopting ASK .................................................................................. 3 
Errors discovered in the course of ASK Annual Review ................................ 3 
Administrative Concessions for common errors disclosed through the ASK 
Annual Review .......................................................................................................... 3 
Various arrangements to perform ASK Annual Review ................................. 4 
Getting ready for the ASK Annual Review ....................................................... 6 
Guidance on ASK Annual Review .................................................................... 7 
Overview of the ASK Annual Review Process ................................................ 8 
Certification of ASK Annual Review ............................................................... 52 
Frequently Asked Questions .......................................................................... 56 
Contact information ......................................................................................... 60 
Updates and Amendments .............................................................................. 61 
Appendix 1 - List of Errors and Areas where Error may Occur ......................... 62 
Appendix 2 – Summary of Certification Procedures (For Reference only) ....... 64 
 
 
 
 
 
 
 
 
 
 

GST: Assisted Self-Help Kit (ASK) Annual Review Guide

1 Aim

1.1 The GST “Assisted Self-help Kit” (ASK) is a self-assessment package designed

to facilitate voluntary compliance of GST-registered businesses.

1.2 You should read this guide if you are a GST-registered business who is

undertaking the ASK review on a voluntary basis or as a requirement for specific

purposes e.g. in the course of audit or application for or renewal of GST

schemes.

2 At a glance

2.1 ASK comprises 3 key aspects:

How it works

GST Practices helps

you to put in place

internal processes

covering People,

Record-Keeping,

Systems and

Internal Controls to

ensure overall GST

compliance

Pre-Filing Checklist

helps you to perform

quality check on

your GST returns

before submission

ASK Annual Review

helps you to perform

regular review of

past GST returns for

early detection of

errors

Recommended for

 Businesses planning

to register for GST

 Businesses that are

newly registered for

GST

 Businesses filing their

first GST return

 GST-registered

businesses with new

business

arrangement or

change in GST

personnel

 All GST-registered

businesses

2.1.1 When to adopt ASK

Businesses may implement each section individually or put all 3 sections in

place.

For more information on GST Practices and Pre-Filing Checklist, please visit

our website www.iras.gov.sg/irashome/ASK.

2.2 With effect from 1 Jan 2013, for the purpose of applying for or renewing GST

schemes

where ASK review is a pre-requisite, the ASK Annual Review must

be:

a) Performed by an individual accredited with Singapore Institute of

Accredited Tax Professionals

("SIATP") as Accredited Tax Advisor

(GST) [hereafter termed as ATA (GST)] or Accredited Tax Practitioner

(GST) [hereafter termed as ATP (GST)]; or

b) Performed by the GST-registered business and certified by an individual

accredited with SIATP as ATA (GST) or ATP (GST), adhering to the

certification procedures set out in paragraph 10.

2.3 The ATA (GST) or ATP (GST) may either be an in-house staff or external party.

2.4 Please refer to paragraph 6 for the various arrangements to conduct ASK

Annual Review.

ASK Annual Review is required when applying for Import GST Deferment Scheme (IGDS), Approved

Marine Customer Scheme (AMCS), Approved Contract Manufacturer and Trader (ACMT) Scheme,

Approved Refiner and Consolidator Scheme (ARCS), Major Exporter Scheme (MES) or Approved

Import GST Suspension Scheme (AISS). ASK Annual Review is required for renewal of ACMT, MES

and IGDS. Please refer to the respective e-Tax Guide of the GST schemes for details.

For more information on accreditation with Singapore Institute of Accredited Tax Professionals

(SIATP), please visit www.siatp.org.sg

3 Benefits of adopting ASK

3.1 GST-registered businesses which adopt ASK will enjoy the following benefits:

a) Understand GST requirements on filing and record-keeping;

b) Ensure accuracy of GST submissions;

c) Reduce risks of incurring penalties on errors made;

d) Discover past GST errors early for timely disclosure to IRAS, and enjoy

zero or reduced penalties under IRAS’ Voluntary Disclosure Programme

(VDP);

e) Enjoy administrative concessions for common errors disclosed through

the course of ASK Annual Review; and

f) Fulfil requirement for application or renewal of specific GST schemes.

4 Errors discovered in the course of ASK Annual Review

4.1 IRAS will waive the 5% late payment penalty if businesses undertake the ASK

Annual Review to voluntarily disclose past error(s) within one year from the

statutory filing date of their last GST return in respect of the financial year

reviewed. For businesses which do not adopt ASK, the penalty will be waived

only if the voluntary disclosure was made within one year from the statutory

filing deadline of each GST return. This means that businesses adopting ASK

Annual Review may enjoy a longer grace period for disclosure of errors. This is

provided that all the qualifying conditions under the Voluntary Disclosure

Programme (VDP) are met and the situation does not fall within the specific

exclusions from the programme.

4.2 For voluntary disclosures made after the one-year grace period, IRAS will

impose a reduced penalty of 5% of tax undercharged if the conditions under the

VDP are met.

4.3 For more information, please refer to e-Tax Guide “IRAS’ Voluntary Disclosure

Programme”.

5 Administrative Concessions for common errors disclosed through the

ASK Annual Review

5.1 To provide greater transparency and certainty to businesses, a list of

administrative concessions for common errors disclosed through the ASK

reviews is published in this guide. There is no need to seek the Comptroller’s

approval to enjoy any of these administrative concessions. Instead, businesses

are to self-assess if their errors fall within the scenarios described and that the

conditions (if any) specified are satisfied before adopting the administrative

concessions. For more details, please refer to Para 5.2 of the section “Step 5 -

Quantify your Errors (if any) and Submit your Findings to IRAS for Review”.

6 Various arrangements to perform ASK Annual Review

6.1 ASK Annual Review may be conducted under any of the 3 arrangements:

6.2 Businesses which adopt ASK voluntarily

6.2.1 GST-registered businesses which adopt ASK voluntarily (for purposes of

enjoying the VDP relief, etc.) can choose to conduct the ASK Annual Review

under any of the arrangements, based on the needs of their business.

6.2.2 For record purposes, a business which performs ASK Annual Review

voluntarily under ‘Arrangement 2 or 3’ should provide the details of the ATA

(GST) or ATP (GST) in the completed ASK Declaration Form submitted to

IRAS. The ATA (GST) or ATP (GST) may either be an in-house staff or

external party.

6.3 Businesses applying for or renewing GST schemes where ASK is specified as

a pre-requisite

For the purpose of applying for or renewing GST schemes, ‘Arrangement 2 or

3’ has to be adopted for the ASK Annual Review. In instances where the

review or certification is outsourced to an external ATA (GST) or ATP (GST),

the GST-registered business is still responsible for the completeness and

accuracy of the ASK Declaration.

6.3.1 Review conducted by in-house or external ATA (GST) or ATP (GST) under

Arrangement 2

Both the GST-registered business and the in-house/external ATA (GST) or

ATP (GST) must complete the ASK Declaration Form.

Arrangement 1:

Review conducted

by GST-registered

business

Arrangement 3:

Review conducted

by GST-registered

business and

certified by

external

ATA (GST) or

ATP (GST)

Arrangement 2:

Review conducted

by in-house or

external

ATA (GST) or

ATP (GST)

6.3.2 Review conducted by GST-registered business and certified by external ATA

(GST) or ATP (GST) under Arrangement 3

6.3.2.1 Where the GST-registered business does not have any in-house staff who is

an ATA (GST) or ATP (GST) and does not wish to outsource the review to an

external party with the relevant accreditations, the GST-registered business

may perform the ASK Annual Review under ‘Arrangement 3’.

6.3.2.2 Under Arrangement 3, the GST-registered business performs ASK Annual

Review in-house, but engages an external ATA (GST) or ATP (GST) to verify

if the ASK Annual Review performed in-house adheres to the audit

methodology prescribed in the ASK Annual Review Guide. The external ATA

(GST) or ATP (GST) will verify this by performing the certification procedures

set out in paragraph 10.

6.3.2.3 The GST-registered business will need to complete the ASK Declaration Form.

The external ATA (GST) or ATP (GST) will need to complete the “Report -

Certification of ASK Annual Review” and enclose findings if there were

exceptions.

7 Getting ready for the ASK Annual Review

Who should read this section:

The person undertaking ASK Annual Review

7.1 You should get ready the following:

a) GST declarations for the financial year under ASK annual review.

b) Sales and Purchase listings for the selected period under ASK annual

review.

c) Accounting records and documents supporting all GST declarations for the

period under review. The supporting documents would include:

i) Tax Invoices, Simplified Tax Invoices, Receipts

ii) Credit Notes, Debit Notes

iii) Export Permits, Subsidiary Export Certificate, Note of Shipment, IESGP

permits

iv) Parcel Despatch Note, Courier Consignment Note

v) Import Permits, Subsidiary Import Certificate

vi) Inward Summary Report from Air Express Companies (AEC)

vii) Other Transport Documents (e.g. Bill of Lading, Air waybill)

viii) Documents in relation to Tourist Refund Scheme (TRS)

d) Financial Statements or Management Account for the financial year under

ASK annual review.

7.2 If the GST entities under review are under group registration, the representative

member should complete the ASK Annual Review on a group basis. In the

selection of samples, the samples should be allocated to the group members

(excluding inactive members and members with wholly intra-group supplies) in

proportion to their “total supplies and total purchases” for the period under

review. For the supplies vs. turnover analysis, the GST group is advised to

aggregate the members’ turnover from financial statements or management

accounts.

7.3 If divisional registration is involved, the parent entity should complete the ASK

Annual Review for the entire entity. In terms of the selection of samples, the

samples should be allocated to the divisions in proportion to their “total supplies

and total purchases” for the selected period under review. For the supplies vs.

turnover analysis, the parent entity is advised to aggregate the GST divisions’

turnover from financial statements or management accounts.

8 Guidance on ASK Annual Review

Who should read this section:

The person undertaking ASK Annual Review

8.1 The specified sample size and methodology of selecting samples are the

minimum requirements if this review is requested by IRAS for a specific purpose.

Other than that, they serve as suggested guidelines to help businesses

determine how much and what to check in conducting an annual review for GST

health-check.

8.2 IRAS recommends quantitative indicators at various steps in the ASK Annual

Review process to help businesses flag out differences that are significant

enough to warrant further review/investigation. While the size of differences

below the recommended threshold may not be considered as significant under

ASK Annual Review, this does not necessarily imply that the GST declarations

are error-free.

8.3 Businesses may wish to conduct their own checks and ascertain whether the

differences can be explained.

8.4 IRAS reserves the right to verify and extend the scope of checks beyond the

samples selected by businesses which have performed the checks according

to this ASK Annual Review Guide. IRAS may also obtain additional information

or documents in relation to the errors that have been disclosed. Should

additional errors be detected during the course of IRAS’ checks/audits,

they will not qualify for VDP.

 
8 
 
9  Overview of the ASK Annual Review Process 
 Who should read this section:  
The person undertaking ASK Annual Review 
 
9.1  ASK Annual Review Process is a 5-step process. The subsequent paragraphs 
give details of the objective and requirements of each step.  
 
STEP 1 
Review your GST Declarations for a Financial 
Year 
 
STEP 2 
Select GST Return(s) for Review 
 
STEP 3 
Perform Checks for the Selected GST Return(s) 
 
STEP 3A 
Check  your  Standard-rated  Supplies  and 
Output Tax 
 
STEP 3B 
Check your Zero-rated Supplies  
 
STEP 3C 
Check your Exempt Supplies 
 
STEP 3C-1 
If you are ACTIVELY making exempt supplies 
 
STEP 3C-2 
If you are in general business 
 
STEP 3D 
Check your Input Tax and Refunds Claimed  
(on  Local  Purchases,  Imports  with  GST  Paid, 
Tourist Refund Scheme and Bad Debt Relief) 
 
STEP 3E 
Check your Imports with GST Suspended (e.g. 
under MES) or with GST Deferred (under IGDS)  
STEP 4 
Review  your  Financial  Statements  or 
Management Accounts for the Same Financial 
Year 
 
STEP 5 
Quantify your Errors (if any) and Submit your 
Findings to IRAS for Review 
1. Review GST 
Declarations 
2. Select GST Return(s) 
for Review 
3. Perform Checks for 
the Selected GST 
Return(s) 
 
4. Review and 
Compare Financial 
Statements against 
GST Declarations 
 
5. Quantify Errors and 
Submit Findings to 
IRAS

Overview

The purpose of this step is to detect possible errors in your GST returns in respect of

a financial year. If discrepancies are noted from this analytical review, you have to

explain and quantify the errors (if any).

1. Review your GST Declaration

1.1 Retrieve your GST returns filed for the past financial year.

You can do this in a few clicks with the GST e-Service, "Retrieve Past GST

Returns/Assessments for ASK Review".

1.2 Complete the analytical review by inputting the amounts from your GST returns

into Template 1.

It is

1.3 Review the results shown in the template and perform the following checks:

Step 1 Review your GST Declarations for a Financial Year

If your financial year ends on 31 Dec 2015, you should retrieve your GST

returns filed for the period 1 Jan 2015 to 31 Dec 2015.

Template 1 is formulated to assist you in detecting possible

errors in your GST returns. Various analyses are done to test

whether your GST declarations are in line with your business

environment and financial results. It is also for you to record

down the results of your checks conducted in Steps 1 and 4.

Template 1

(click to

download)

Step

Checks

Action

Check whether there are any

major fluctuations in the standard-

rated supplies, zero-rated

supplies, exempt supplies and

taxable purchases declared

during the financial year.

Assess if the fluctuation is in line with

your business cycle 3 or due to

significant change that has happened to

your business.

Check whether there are

significant differences between

“Declared output tax” and

“Computed output tax”

If the difference is  $10,000 (i.e.

negative value of $10,000), explain and

reconcile the difference.

Check whether there are

significant differences between

“Declared input tax” and

“Computed input tax”

If the difference is  $10,000, explain

and reconcile the difference.

Compute the Total Taxable

Purchases over Total Supplies (in

short, TP/TS) ratio for the year.

If the yearly ratio is > 1.2 (i.e. your

purchases are much higher than your

sales), evaluate if this trend is

reasonable4 and explain reasons for the

high TP/TS ratio.

1.4 Record the results of your checks and your explanation for the discrepancies

(if any) in Template 1.

It is common for businesses to have cyclical fluctuations in their sales and/or purchases in certain

periods of the year. For example, retail businesses generally have higher sales during the Great

Singapore Sale in the months of May and June as well as during festive periods e.g. Christmas and

Chinese New Year.

While a TP/TS ratio of >1.2 could be due to valid reasons (e.g. high purchases of machinery or stock

made in anticipation of future increase in sales), it may also flag out possible errors made in your

GST returns (e.g. omission of supplies made to related company).

A substantial jump in standard-

rated supplies could be due to

once-off disposal of commercial

property. Assess if you have

charged and accounted for GST

on the sale of commercial

property in your GST returns.

You may have under-accounted

output tax or made a reporting

error in the standard-rated

supplies figure.

You may have over-claimed

input tax or made an error in the

taxable purchases figure.

You may have under-declared

your supplies or over-declared

your taxable purchases.

1. Determine which GST return(s)

 For each of your GST returns filed for the past financial year, add up the

values of your Total Supplies in Box 4 and Taxable Purchases in Box 5.

 Select the GST return(s) with the highest total to conduct ASK Annual

Review.

2. Determine number of GST return(s)

Filing Frequency

No. of return(s) to select

Monthly

Quarterly

Six-monthly

 For quarterly or six-monthly filing period, select 1 GST return.

 For monthly filing period, select 3 continuous GST returns, ensuring that

the GST return with the highest total of Box 4 + Box 5 is included.

E.g. your GST return for the month of Mar 2013 has the highest total of Box

4 + Box 5. Hence, you can choose to conduct ASK Annual Review on your

monthly GST returns for:

Option 1

Jan 2015

Feb 2015

Mar 2015

Option 2

Feb 2015

Mar 2015

Apr 2015

Option 3

Mar 2015

Apr 2015

May 2015

Compute

Total Supplies (Box 4) +

Taxable Purchases (Box 5)

for each GST return

Select and review the

GST return(s) with

highest total

Step 2 Select GST Return(s) for Review

Overview

In Step 3, you need to perform specific checks on each figure declared in your GST

return. The checks are segmented into the following parts of this guide:

Step

GST Transactions

Check your Standard-rated Supplies and Output Tax

Check your Zero-rated Supplies

3C-1

Check your Exempt Supplies (if you are actively making exempt

supplies)

3C-2

Check your Exempt Supplies (if you are in general business)

Check your Input Tax and Refunds Claimed (on local purchases,

imports with GST paid, Tourist Refund Scheme and Bad Debt

Relief)

Check your Imports with GST Suspended (e.g. under MES) or with

GST Deferred (under IGDS)

Step 3 Perform Checks for the Selected GST Return(s)

1 Review your listing

a. Retrieve the following:

a. your GST return filed for the accounting period(s) selected in Step 2; and

b. the various listings used when filing the GST return.

If you are using our recommended Record-Keeping Templates, the figure declared

in the respective box of your GST return should be obtained based on the listing(s) as

shown below.

Listing

Box (in the GST return)

Standard-rated Supplies



Zero-rated Supplies



Exempt Supplies



Taxable Purchases (Local)



Taxable Purchases

(Imports – GST Paid)



Tourist Refund Scheme

Claims



Bad Debt Relief Claims



Taxable Purchases

(Imports - GST Suspended)



Taxable Purchases

(Imports - GST Deferred)



For example, to check your figure declared in Box 7 (i.e. “Input tax and refunds

claimed”), you should retrieve the following listings:

 Taxable Purchases (Local)

 Taxable Purchases (Imports - GST Paid)

 Tourist Refund Scheme Claims

 Bad Debt Relief Claims

 Taxable Purchases (Imports - GST Deferred) if you are under Import GST

Deferment Scheme (IGDS)

1.2 Refer to paragraph 1 of Steps 3A to 3E on the checks to be performed on each

listing.

2 Select samples from your listing

For each figure declared in your GST return, you must check the supporting

documents of either all the transactions reported or a representative sample

selected from your listing.

Refer to paragraph 2 of Steps 3A to 3E on what your selected samples must

cover.

Follow the flowchart below to determine the amount of samples to be selected

for each of Steps 3A to 3E.

Flowchart on the Selection of Samples

For monthly filing period, apply the selection process on your listing for the

selected 3 continuous returns and ensure that the samples are selected from

each return.

See on the next page for illustration.

Yes

a. Select a total of 30 samples from your

listing.

b. Please refer to paragraph 2 of Steps 3A

to 3E on what your selected samples

must cover.

Do these 30 samples

cover ≥

30% of the total

value in your listing?

a. Select more samples

until the samples cover

≥ 30% of the total value

in your listing.

Alternatively, select any

other 30 more samples

to make up the

maximum total of 60

samples. For standard-

rated supplies, select

any 10 more samples to

make up the maximum

of 40 samples.

Proceed to check your supporting

documents for these 30 samples.

Is the total number of

transactions in your

listing for the selected

return(s) > 30?

Proceed to check your

supporting documents

for all transactions in the

listing.

If you are on monthly filing period

Assume you have selected your GST returns for Jan, Feb and Mar 2015 to perform ASK

Annual Review on your zero-rated supplies.

 If your zero-rated supplies listing for this 3-month period (i.e. Jan, Feb and Mar 2015) have

less than 30 transactions in total, you will need to perform checks on ALL transactions.

 If your total number of transactions for this 3-month period is more than 30, you should

first select 30 samples in total from the 3-month period and see if these 30 samples cover

minimum 30% of the total value of the transactions. If the 30 samples cover less than 30%

of the total value of the transactions, you should select more samples to try reaching 30%

of the total value, up to a maximum of 60 transactions in total.

E.g. Your listing shows as follows:

Month

No. of

transactions

Total value of zero-rated

supplies in listing

Jan 2015

$10,563

Feb 2015

$20,572

Mar 2015

$41,742

Total

200

$72,877

From these 200 transactions, you are to first select transactions from each month to make

up a minimum of 30 samples. See if these 30 samples cover at least 30% of the total

transactions value for 3-month period (i.e. 30% x $72,877).

Value of the 30

samples

Do you need to select more

samples?

Your sample size

will be:

Equal or more

than 30% of the

total transactions

value

No.

Less than 30% of

the total

transaction value

Yes.

E.g. You select another 10 samples

and the value of these 40 samples

can reach 30% of the total

transactions value.

Yes.

E.g. You select another 30 samples

and the value of these 60 samples

still cannot reach 30% of the total

transactions value.

(i.e. the maximum

number of samples

required)

3 Check your supporting documents for the samples selected

Refer to paragraph 3 of Steps 3A to 3E on the checks to be performed on your

samples selected.

1 Review your listing

Perform the following checks on your standard-rated supplies and output tax

listing.

Check that the total amount of your listing tallies with the value of standard-

rated supplies and output tax declared in Boxes 1 and 6 of your GST return.

a. Check if the transactions in the listing comply with the time of supply rule

b. To ensure completeness, run through the invoice numbers in your listing

and see if there is any missing invoice number not found in the listing.

c. Check if there is any transaction that reduces the ‘Sales Amount

excluding GST’ and the ‘GST Amount’ in your listing. Ensure that the

reduction is made on your sales based on either your credit note issued

to the customer or debit note received from your customer during the

accounting period of your GST return.

d. Ensure that you have included all your sales in the listing and apply the

GST treatment correctly on your transactions.

Please refer to the e-Tax Guide, “GST: Time of Supply Rules” for more information.

Step 3A Check your Standard-rated Supplies and Output Tax

As a good practice, use the Pre-Filing Checklist, "Standard-rated

Supplies and Output tax" when filing your GST return.

Remember to include:

 Cash sales

 Local sales made by your overseas principal for whom you are

acting as the local agent under Section 33(2) of GST Act

 Sales made outside your usual course of business (e.g. on used

equipment, scrap metal, empty boxes, etc.)

 Recovery of expenses you incurred as a principal from another

party

 Goods given free as gifts including those that are not

commercial samples, where credit for input tax has been

allowed to you and which costs >$200 (include free gift given as

employee benefit) with effect from 1 Oct 2012

 Sale or disposal of your business asset

2 Select samples from your listing

Follow the ‘Flowchart on the Selection of Samples’ in Step 3 - Overview. If your

standard-rated supplies listing has more than 30 transactions, you should select:

 at least 30 samples to cover minimum 30% of the total value of standard-

rated supplies in your listing, or a maximum of 40 samples; and

 At least 1 sample from each of the category below that applies to your

business.

Category

Standard-rated supplies relating to your trade covering:

 Different customers

 Tax invoices billed in foreign currency

 Credit notes issued to / debit notes received from your customers

Standard-rated supplies not relating to your trade (e.g. reimbursements,

deemed supplies, sale or disposal of fixed assets)

Standard-rated supplies made to your related parties and those which you have

made as the local agent of your overseas principal under Section 33(2)

3 Check your supporting documents for the samples selected

3.1 Retrieve your source documents for the samples selected in Step 3A.2. The

source documents include:

 Tax invoices, simplified tax invoices and receipts issued by you;

 Credit notes issued to your customers; and

 Debit notes received from your customers.

3.2 Perform the following checks on your source documents and listing.

a. For each of the samples which you have issued a tax invoice, simplified tax

invoice or receipt, check that:

i. GST is charged at the correct tax rate at the time of your sale.

ii. The ‘Total Amount Excluding GST’ and the ‘Total GST Amount’ are

recorded correctly in your listing based on the source document.

iii. If your tax invoice is issued in foreign currency, it must also show the

‘Total GST Amount’ in Singapore Dollars. Ensure that you record the

Singapore Dollars values in your listing.

b. For credit notes issued to your customers and/or debit notes received from

your customers, ensure that:

i. The credit note and/or debit note is issued to make a reduction in your

standard-rated supply and GST. It must contain the number and date of

the tax invoice issued for your original sale. If you are unable to do so

(e.g. because returned goods cannot be identified with a particular tax

invoice), you must be able to satisfy the Comptroller of GST by other

means that you have accounted for GST on the original supply.

ii. You have reported the original value of the standard-rated supply and

accounted for output tax in your GST return based on your tax invoice.

iii. The ‘Total Amount Excluding GST’ and the ‘Total GST Amount’ on the

credit note or debit note are correctly reduced in your listing.

4 Record the results of your checks in Template 2

As GST amount may not be shown separately on your simplified tax

invoices and receipts, you should account for GST by re-grossing the Total

Amount Including GST based on tax fraction (e.g. when GST rate is 7%,

the tax fraction will be 7/107).

You should reduce the value of your standard-rated supply and output tax

only once in your GST return based on either your credit note or the

customer’s debit note. Do not make your adjustments more than once.

Template 2 – Checklist For Standard-Rated Supplies and

Output Tax contains the above checks that you need to

perform to ensure that GST is properly charged for your

standard-rated supplies. It is also for you to record down

results of your checks.

Template 2

(click to

download)

1 Review your listing

Perform the following checks on your zero-rated supplies listing.

a. Check that the total sales amount of your listing tallies with the value of

zero-rated supplies declared in Box 2 of your GST return.

b. To ensure completeness, run through the invoice numbers in your listing

and see if there is any missing invoice number not found in the listing.

2 Select samples from your listing

Follow the ‘Flowchart on the Selection of Samples’ in Step 3 - Overview. If your

zero-rated supplies listing has more than 30 transactions, you should select:

 at least 30 samples to cover minimum 30% of the total value of zero-rated

supplies in your listing, or a maximum of 60 samples; and

 At least 1 sample from each of the category below that applies to your

business.

Category

Samples selected should cover:

Exports of

Goods

i. Different customers, especially your local customers

ii. Direct export scenarios where you arrange for the export of your

goods (e.g. through your own freight forwarder)

iii. Indirect export scenarios where you are not the one arranging

for the export of your goods

iv. Different modes of export (e.g. via air, sea, land, hand-carry,

courier, etc.)

International

Services

i. Different customers, especially your related parties and local

customers

ii. Different types of services provided by you

Step 3B Check your Zero-rated Supplies

3 Check your supporting documents for the samples selected

3.1 Retrieve your invoices issued for the samples selected in Step 3B.2. Perform

the following checks on each invoice and your zero-rated supplies listing.

a. There is no GST amount on your invoice or GST amount is recorded as zero.

b. The total sales amount is recorded correctly in your listing based on your

invoice. If your invoice is issued in foreign currency, ensure that you convert

your total sales amount into Singapore Dollars and record it in your listing.

c. From the description of sale that is stated on your invoice, determine

whether you have made a supply of goods and/or services. Check whether

you have correctly zero-rated your supply.

3.2 Separate checks for zero-rated goods and services

As a good practice, use the Pre-Filing Checklist, "Zero-rated Supplies" when

filing your GST return.

Zero-rated

supplies

Zero-rated

GOODS

Zero-rated

SERVICES

3.2.1 Checks on zero-rated supplies of goods (as determined in Step 3B.3.1c)

Under the GST law, you can zero-rate your supply of goods only when your

goods are exported out of Singapore. To prove that your goods are exported,

you are required to maintain export evidence (i.e. both transaction documents

and transport documents) specified in our e-Tax Guide, "GST: A Guide on

Exports".

However, for the purpose of this annual review, we will only require you to check

the transport document(s) for your samples. While you need not verify the

transaction documents (e.g. your delivery note or packing list, evidence of

payment received from customer, etc.) for the samples, please make sure that

you have maintained them to support your sales.

a. For each relevant sample, check whether you have maintained the transport

document(s). The type of transport document(s) required will depend on

how your goods are exported out of Singapore. Retrieve your transport

document(s).

Common Export Scenarios6

Transport Document(s)

Required

Exports via sea

Bill of lading

Exports via air

Air waybill

Exports via land

Export permit

When your goods are consolidated with other local

exporters’ goods before export via sea, air or land

Subsidiary Export Certificate or

Note of Shipment issued by a

freight forwarder or handling

agent

When your goods are delivered to another freight

forwarder for co-loading before export via sea, air or

land

Exports via post or courier

Parcel despatch note or

courier consignment note

Hand-carried exports via Changi International

Airport on or after 1 Apr 20097

Export permit endorsed by

Singapore Customs

Hand-carried exports via

 Changi International Airport before 1 Apr 2009;

 Seletar Airport, Sea or Land

All documents listed in Scenario

8.1B of e-Tax Guide, “GST: A

Guide on Exports”

Please refer to e-Tax Guide, "GST: A Guide on Exports", for more information and for industry-specific

export scenarios (e.g. supply of bunker fuel, goods to be used as stores on vessels, etc).

With effect from 1 Apr 2009, supplies of goods that are hand-carried out of Singapore via Changi

International Airport can be zero-rated only if all conditions of the Hand-Carried Exports Scheme are

met. Please refer to e-Tax Guide, "GST: Guide on Hand-Carried Exports Scheme", for more details

of this scheme.

b. Perform the following checks on the transport document(s) for each sample.

Ensure that:

i. The transport document(s) shows your business name as the exporter.

ii. The transport document(s) indicate that the goods are to be exported

from Singapore to an overseas country.

iii. The transport document(s) contains sufficient information to support that

the goods exported are identical to the goods you sold.

3.2.2 Checks on zero-rated supplies of services (as determined in Step 3B.3.1c)

You can zero-rate your supply of services only if it falls within the description of

international services under Section 21(3) of the GST Act.

The following are simple indicators to guide you on whether you have provided

international services that can qualify for zero-rating. For more information and

examples on international services, please refer to IRAS website.

a. Retrieve your invoice, contract and/or correspondences with the customer.

b. Examine the nature of your services. Determine whether you have provided

international services that fall within one of the following broad categories:

i. International transport of passengers and/or goods

ii. Services supplied directly in connection

with:

 Land or buildings located outside Singapore

 Goods located outside Singapore when your services are performed

 Goods to be exported out of Singapore and are supplied to an

overseas customer at the time when you perform the services

iii. Specific services performed wholly outside Singapore:

 Cultural, artistic, sporting, educational or entertainment services

 Exhibition or convention services

 Other services that are supplementary to the above, including

organising the performance outside Singapore

Please refer to e-Tax Guide, “GST: Clarification on "Directly in Connection With" and "Directly Benefit"

for more information.

Your invoice number is stated on the transport document.

The details (e.g. description, quantity and value) of goods on the transport

document can match with the details on your invoice or other documents

(such as delivery note, packing list, etc).

iv. Services supplied to and directly benefiting9 a person belonging outside

Singapore at the time when you perform the services

v. Prescribed services supplied to and directly benefiting9 an overseas

person belonging outside Singapore in his business capacity (and not in

his private or personal capacity)

vi. Prescribed services comprising international telecommunication

transmission

c. If your services do not fall within any of the categories in Step 3B.3.3b,

please refer to IRAS’ website for the complete list of international services

and determine if you have correctly zero-rated your supplies of services.

4 Record the results of your checks in Template 3

Template 3 – Checklist For Zero-Rated Supplies contains the

above checks that you need to perform to ensure that supplies

qualify for zero-rating and export documents are maintained

for goods that are zero-rated. It is also for you to record the

results of your checks.

Template 3

(click to

download)

Instructions

You only need to perform either Step 3C-1 or Step 3C-2 on your exempt supplies.

Perform Step 3C-1 if:

Perform Step 3C-1 if your core business falls into one of the following categories:

 Developing or investing in residential properties (i.e. you generate income from

your sale and/or lease of residential properties)

 Providing financial services (e.g. as a financial institution)

 Importing and supplying investment precious metals (IPM) locally with effect from

1 Oct 2012.

Perform Step 3C-2 if:

If your core business does not fall into any of the above categories but you have made

exempt supplies in the ordinary course of your business, you do not need to perform

Step 3C-1. Proceed to Step 3C-2 for general business instead.

Step 3C Check your Exempt Supplies

• Step 3C-1: If you are actively making exempt

supplies

• Step 3C-2: If you are in general business

1 Review your listing

Perform the following checks on your exempt supplies listing.

Check that the total amount of your listing tallies with the value of exempt

supplies declared in Box 3 of your GST return.

a. Run through the invoice numbers in your listing and see if there is any

missing invoice number not found in the listing.

b. Check if there is any transaction that reduces the ‘Sales Amount’ in your

listing. Ensure that the reduction is made on your sales based on your

credit note issued to the customer during the accounting period of your

GST return. Your listing should record down the reference number of

your credit note.

c. Ensure that the value of exempt supplies is reported correctly in your

listing. Please refer to our e-Tax Guide, “GST: How Do I Prepare My

GST Return” on how to fill in Box 3.

d. Ensure that you have correctly applied the GST treatment in exempting

the supplies and reported all exempt supplies made.

The value of exempt supply to be reported in Box 3 of the GST return

depends on the type of your exempt transaction. E.g. the value of

exempt supply for sale of shares is the gross sales proceeds from the

sale, while the value of exempt supply for hedging activities (such as

swap transactions, futures contracts, etc.) should be the net realised

gain or loss arising from the transaction.

If your exempt transaction results in a net realised loss, you should

include the absolute value (i.e. drop the negative sign) in Box 3 of your

GST return.

As a good practice, use the Pre-Filing Checklist, "Exempt Supplies-

Properties, Financial Services or Investment Precious Metals" when

filing your GST return.

Remember to include:

 Sale or lease of residential properties

 Income like bank interest, foreign exchange rate gain or loss relating

to financial services provided in addition to your core business. For

instance, if you are in the life insurance business, you are also

required to report other sources of exempt supplies like interest

income from bank deposit, etc.

Step 3C-1 Check your Exempt Supplies if you are actively

making exempt supplies

2 Select samples from your listing

Follow the ‘Flowchart on the Selection of Samples’ in Step 3 - Overview. If your

exempt supplies listing has more than 30 transactions, you should select:

 at least 30 samples to cover minimum 30% of the total value of exempt

supplies in your listing, or a maximum of 60 samples; and

 At least 1 sample from each of the category below that applies to your

business.

Category

Exempt supplies relating to your trade covering:

 Different categories or types of transactions

 Different customers

Exempt supplies not relating to your trade (e.g. interest income from bank

deposit, rental income from lease of residential properties, etc.)

3 Check your supporting documents for the samples selected

3.1 Retrieve your invoices and receipts issued for the samples selected in Step 3C-

1.2.

3.2 Perform the following checks on each invoice or receipt and your exempt

supplies listing.

a. The total sales amount is recorded correctly in your listing based on your

invoice or receipt. If your invoice is issued in foreign currency, ensure that

you convert your total sales amount into Singapore Dollars and record it in

your listing.

b. The nature of your transaction qualifies as an exempt supply.

4 Record the results of your checks in Template 4

Template 4 – Checklist For Exempt Supplies – Ppty & FS

contains the above checks that you need to perform to ensure

that supplies qualify for GST exemption. It is also for you to

record down results of your checks.

Template 4

(click to

download)

1 Review your listing

Perform the following checks on your exempt supplies listing.

a. Check that the total amount of your listing tallies with the value of exempt

supplies declared in Box 3 of your GST return.

b. Ensure that the value of exempt supplies is reported correctly in your listing.

Please refer to our e-Tax Guide, “GST: How Do I Prepare My GST Return”

on how to fill in Box 3.

c. Ensure that you have correctly applied the GST treatment in exempting your

supplies and reported all exempt supplies made.

2 Record the results of your checks in Template 5

Step 3C-2 Check your Exempt Supplies if you are in

general business

The value of exempt supply to be reported in Box 3 of the GST return

depends on the type of your exempt transaction. E.g. the value of exempt

supply for sale of shares is the gross sales proceeds from the sale, while

the value of exempt supply for hedging activities (such as swap

transactions, futures contracts, etc.) should be the net realised gain or loss

arising from the transaction.

If your exempt transaction results in a net realised loss, you should include

the absolute value (i.e. drop the negative sign) in Box 3 of your GST return.

As a good practice, use the Pre-Filing Checklist, "Exempt Supplies –

General Business" when filing your GST return.

Remember to include:

 Sale or lease of residential properties

 Income from financial services like bank interest, foreign exchange rate

gain or loss, interest earned from loan to related company, etc.

Template 5 – Checklist For Exempt Supplies – General

Business contains the above checks that you need to perform

to ensure that supplies qualify for GST exemption. It is also

for you to record down results of your checks.

Template 5

(click to

download)

1 Review your listing(s)

1.1 Perform the following checks on the listing(s) for your input tax and refunds

claimed.

a. Check that the total amount of your respective listing(s) tallies with the value

declared in Box 5, Box 7, Box 10 and Box 11 of your GST return (please

refer to paragraph 1.1 of Step 3 - Overview).

If you have been approved to import goods with GST suspended (e.g. under

the Major Exporter Scheme (MES), etc.), the value of such imports should

also be included in Box 5 of your GST return.

Similarly, if you have been approved to import goods with GST deferred

(under the Import GST Deferment Scheme (IGDS)), the value of such

imports and the corresponding import GST deferred that are attributable to

your taxable supplies should be included in Box 5 and Box 7 of your GST

return. Please refer to Step 3E on how to check your imports with GST

suspended or deferred.

b. If you are not approved under the MES, IGDS or any other GST scheme to

import goods with GST suspended or deferred, run through your listing(s)

and see if there is any import permit number that begins with ‘ME’ or ‘MC’.

This is to check whether you have wrongly imported goods with GST

suspended or deferred by using another business’ MES or IGDS status.

c. Look through the dates of transaction, invoice or import permit recorded in

your listing(s). For transactions with dates falling before the accounting

period of the selected GST return, ensure that you did not claim the input

tax again in your GST returns for other accounting periods.

If yes, you should exclude such imports from your GST return and write to the

Comptroller of GST for rectification of the error.

You must hold the supporting tax invoice or import permit when you make

the input tax claim in your GST return. Hence, the dates recorded in your

listing(s) should generally fall within or before the accounting period of your

GST return.

Step 3D Check your Input Tax and Refunds Claimed

(on Local Purchases, Imports with GST Paid, Tourist

Refund Scheme and Bad Debt Relief)

With effect from 1 Jan 2015

d. If you have claimed import GST in full on re-imported goods belonging to

your local customers or GST-registered overseas customers, which you

previously sent overseas for value-added activities (e.g. testing, repair or

assembly), please ensure that you satisfy all the conditions and

requirements listed in the e-Tax Guide “GST: Claiming of GST on re-import

of value-added goods”.

e. Check that you do not make input tax claims on the same transaction more

than once.

f. Retrieve all credit notes received from your suppliers or debit notes issued

to your suppliers during the accounting period of your GST return. Ensure

that the ‘Purchase Amount Excluding GST’ and the ‘GST Amount’ have

been reduced correctly in your listing(s) based on these credit notes or debit

notes.

g. Run through your listing(s) and pick out transactions with description or of

nature such as entertainment, phone charges, transport claims,

miscellaneous expenses, medical expenses

, etc. Not all these claims are

claimable, even if they were incurred for your business purposes.

h. Ensure that you do not claim any input tax that is not allowable.

Medical expenses are not claimable unless they are obligatory under the Work Injury Compensation

Act or under any collective agreement within the meaning of the Industrial Relations Act.

The possibility of you making duplicate input tax claims can be reduced if you

generate your listing(s) using accounting software which has in-built functions

or controls that can prohibit or highlight duplicate entries.

As a good practice, use the Pre-Filing Checklist, "Taxable Purchases and

Input Tax & Refunds Claimed" when filing your GST return.

You should not claim input tax on the following:

 Purchases from non-GST registered suppliers

 Purchases where input tax is specifically not allowed:

 Club subscription fee charged by sporting and recreational clubs

 Medical expenses, medical and accident insurance premium incurred

by your staff (excluding those covered under the Work Injury

Compensation Act or under any collective agreement under the

Industrial Relations Act)

 Benefits provided to the family members or relatives of your staff

 Costs and running expenses (e.g. on petrol, parking, repair &

maintenance, insurance of motor cars (except for Q-plated cars)

1.2 Follow the flowchart below to determine if you are required to apportion your

input tax claims. If yes, ensure that you have apportioned and claimed your

input tax correctly.

You do not

have to

apportion your

input tax

claims.

Yes

Do you make

exempt supplies?

Please use the Pre-Filing Checklist,

"Exempt Supplies- Properties,

Financial Services or Investment

Precious Metals"

to determine how

to claim your input tax.

Please use the Pre-Filing Checklist,

"Exempt Supplies- General

Business"

to determine how to claim

your input tax.

Yes

Are you actively making exempt

supplies, e.g.:



as a property developer or property

investor generating income from

sale and/or lease of residential

property; or



in the business of providing

financial services; or



In the business of importing and

making local supply of IPM?



2 Select samples from your listing

Follow the ‘Flowchart on the Selection of Samples’ in Step 3 - Overview. If the

total number of transactions in your various listing(s) for input tax and refund

claims adds up to more than 30, you should select:

 at least 30 samples to cover minimum 30% of the total value of input tax

and refund claims in your listing(s), or a maximum of 60 samples;

 sample from each of the category below that applies to your business; and

Category

Samples selected should include:

Local Purchases

Trade Purchases and Expenses covering:

i. Different nature of goods or services purchased

ii. Tax invoices billed in foreign currency

Imports with GST paid

Tourist Refund Scheme (“TRS”) Claims

Bad Debt Relief (“BDR”) Claims

 In instances you have made Tourist Refund Scheme Claims and/or Bad

Debt Relief Claims, please select 5 more samples from each of the

categories.

3 Check your supporting documents for the samples selected

3.1 Checks on your input tax claims on Local Purchases

Retrieve the source documents (i.e. tax invoices, simplified tax invoices and/or

receipts received by you) for the samples selected in Step 3D.2.

Perform the following checks on your source documents and listing:

a. The tax invoice is addressed to your business name and shows the amount

of GST charged on your purchase.

b. The ‘Purchase Amount Excluding GST’ and the ‘Total GST Amount’ are

recorded correctly in your listing based on the source document.

tax fraction

c. If the source document (tax invoice) is issued in foreign currency, you

should claim input tax based on the ‘Total GST Amount’ shown in

Singapore Dollars or by using the exchange rate stated by the supplier on

the tax invoice. You should not use your own exchange rate to claim input

tax on your purchase.

d. The purchase is incurred wholly for your business purposes and is

allowable. Check that you do not claim input tax on those purchases listed

in Step 3D.1.1g.

3.2 Checks on your input tax claims on Imports (with GST paid)

Ensure that you have the supporting import permits or subsidiary import

certificates for the samples selected in Step 3D.2.

Perform the following checks on your import permit or subsidiary import

certificate and listing for each sample. Check that:

a. The import permit or subsidiary import certificate shows your business name

as the importer.

b. The ‘Total Amount Excluding GST’ and the ‘Total GST Amount’ are

recorded correctly in your listing based on the CIF amount and GST amount

stated on the import permit or subsidiary import certificate.

c. The goods are imported for your business purposes.

E.g. When GST rate is 7%, the tax fraction will be 7/107.

As GST amount may not be shown separately on simplified tax invoices and

receipts, you should claim for GST by re-grossing the Total Amount Including

GST based on tax fraction11.

3.3 Checks on your refunds claimed on Tourist Refund Scheme

If you are operating the Tourist Refund Scheme as an independent retailer, you

would give the GST refunds to your customers (who are eligible tourists)

through Central Refund Counter (CRC) operator and then recover the tax from

the Comptroller of GST in your GST returns.

Below are simple checks to help you in ensuring that your refunds claimed on

Tourist Refund Scheme are correct. Ensure that you have these supporting

documents for the samples selected in Step 3D.2. The source documents

include:

 Separate account to record sales and refunds made under the scheme

 Tax invoices, simplified tax invoices and/or receipts issued by you for the

goods sold

 The digitally signed refund transaction (XML file) provided by Central

Clearing House (CCH) upon your request, showing the customs processed

eTRS transactions that have been electronically stamped at the airports or

cruise terminals

 Refunded transaction details files downloaded from CRC’s interface as

evidence of your GST refund made to tourists through CRC

Perform the following checks on your source documents and listing for each

sample. Check that:

a. Trace all the tax invoices / receipts of your original sales linked to the eTRS

tickets:

 You are able to trace all the tax invoices / receipts stated in the eTRS

tickets.

 eTRS ticket was issued for each tax invoice / receipt.

 You have reported the original value of the standard-rated supply and

accounted for output tax in your GST return based on your tax invoice or

receipt.

 The GST value reflected in CCH’s file is not higher than the GST amount

reflected in tax invoice/receipt.

b. Check from CCH’s file that the eTRS ticket was endorsed by Singapore

Customs within 2 months from the date of tax invoice / receipt.

Check the transaction details files downloaded from CRC's interface

Applicable to eTRS transactions approved and refunded at the cruise terminals prior to 1 Sep 2017

in relation to purchases made prior to 1 Jul 2017.

c. The tourist had claimed the eTRS refund from CRC within 2 months from

the date of approval of the tourist's application for refund.

d. The refund was made to the tourist within 3 months after the date of approval

of the tourist’s application for refund.

3.4 Checks on your refunds claimed for Bad Debt Relief

Ensure that you have completed the checklist “Self-review of Eligibility to

Claim Bad Debt Relief” and satisfied all the conditions listed in that checklist.

4 Record the results of your checks in Template 6

Template 6 – Checklist For Input Tax and Refunds Claimed

contains the above checks that you need to perform to ensure

that GST is properly claimed. It is also for you to record down

results of your checks.

Template 6

(click to

download)

Overview

GST is chargeable upon importation of goods in Singapore. However, GST on imports

may be suspended under certain GST schemes e.g. Major Exporter Scheme (MES),

Approved Third Party Logistics Company Scheme (A3PL), Approved Import GST

Suspension Scheme (AISS), Approved Contract Manufacturer and Trader Scheme

(ACMT) applicable to approved contract manufacturers.

Unless specified by the GST schemes, if you have imported goods with GST

suspended under such scheme(s), you need to declare the total value of goods

imported under such scheme(s) in Box 9 and include this amount in Box 5 (i.e. “Total

value of taxable purchases”) of your GST return.

In addition, GST on imports may also be deferred under the Import GST Deferment

Scheme (IGDS). If you have imported goods with GST deferred under IGDS, you need

to declare the value of such imports in Box 17 (“Total value of goods imported under

this scheme”) and the corresponding import GST in Box 15 (“Deferred import GST

payable”) of your GST return. After which, you can then include the import amount in

Box 5 (“Total value of taxable purchases”) and your GST claim in Box 7 (“Input tax

and refunds claimed”) of your GST return provided that such imports under IGDS are

attributable to the making of your taxable supplies.

The following steps are tailored specifically for GST-registered businesses under MES

or IGDS. If you are under MES or IGDS, you would need to complete the steps below

to verify the accuracy of your Box 9 figure or Box 15 and Box 17 figures respectively.

The pre-filing checklists and ASK Annual review are meant for all businesses and do

not cover specific GST treatment or requirements under these special schemes. If you

are under other GST scheme(s) (e.g. AISS, Approved Third Party Logistics Company

(3PL) Scheme, Approved Contract Manufacturer and Trader (ACMT) Scheme), and

some questions or steps in ASK do not address the particular GST treatment for the

scheme, you may use the steps below as a guide to verify the accuracy of your Box 9

figure, and include checks to ensure that all conditions of the scheme(s) are complied

with.

Step 3E Check your Imports with GST Suspended (e.g. under

MES) or with GST Deferred (under IGDS)

1 Review your listing

1.1 For imports with GST suspended (e.g. under MES)

Perform the following checks on your taxable purchases (imports - GST

suspended) listing.

a. Check that the total amount of your listing tallies with the value declared in

Box 9 and is included in Box 5 of your GST return.

b. Review if the import permits taken up under your name, through Singapore

Customs or your authorised declaring agents, tallies with your internal

records. This is to ensure that there is no unauthorised usage of your MES

status.

c. Ensure that the dates of your import permit fall within or before the

accounting period of the selected GST return. If the date of your import

permit did not fall within the accounting period of your GST return, ensure

that you did not include the same transaction in your GST returns for other

accounting periods.

With effect from 1 Jan 2015

d. If you have made use of the import suspension privileges of MES, ACMT

scheme as an ACMT Contract Manufacturer or Approved Refiner and

Consolidator Scheme (ARCS) as an Approved Refiner to re-import goods

belonging to your local customers or GST-registered overseas customers,

which you previously sent abroad for value-added activities (e.g. testing,

repair or assembly), please ensure that you satisfy all the conditions and

requirements listed in the e-Tax Guide “GST: Claiming of GST on re-import

of value-added goods”.

1.2 For imports with GST deferred (under IGDS)

Perform the following checks on your taxable purchases (imports - GST

deferred) listing.

a. Check that the total amount of your listing tallies with the values reported in

Box 15 (“Deferred import GST payable”) and Box 17 (“Total value of goods

imported under this scheme”).

b. Review if the import permits taken up under your name, through Singapore

Customs or your authorised declaring agents, tallies with your internal

records. This is to ensure that there is no unauthorised usage of your IGDS

status.

c. Look at the approval date of your import permit, which is the start date of

the validity period as stated on the permit. Ensure that the approval dates

of your import permits (including supplementary IGDS permits) fall within

the accounting period of your GST return.

With effect from 1 Jan 2015

d. If you have made use of the import suspension privileges of Import GST

Deferment Scheme to re-import goods belonging to your local customers

or GST-registered overseas customers, which you previously sent abroad

for value-added activities (e.g. testing, repair or assembly), please ensure

that you satisfy all the conditions and requirements listed in the e-Tax Guide

“GST: Claiming of GST on re-import of value-added goods”.

e. For GST deferred on imports that are wholly attributable to your taxable

supplies, check that you have included the GST amount in Box 7 (“Input tax

and refunds claimed”) and the corresponding import value in Box 5 (“Total

value of taxable purchases”) of your GST return. For GST deferred on

imports that are partly attributable to your taxable supplies, check that the

GST claimed in Box 7 has already been apportioned to claim the portion

relating to your taxable supplies.

2. Select samples from your listing

2.1. Follow the ‘Flowchart on the Selection of Samples’ in Step 3 - Overview. If

your taxable purchases (imports - GST suspended) or taxable purchases

(imports - GST deferred) listing has more than 30 transactions, you should

select:

 at least 30 samples to cover minimum 30% of the total value of taxable

purchases (imports - GST suspended) or taxable purchases (imports - GST

deferred) in your listing, or a maximum of 60 samples; and

 At least 1 sample from each of the sub-category below that applies to your

business.

Main Category

Samples selected should cover the

following sub-categories:

Your own imports

i. Different overseas suppliers

ii. Different local suppliers

iii. Different types of goods purchased

iv. Different declaring agents

Goods which you

have imported on

behalf of your

overseas principals

under Section 33(2) or

Section 33A of GST

Act12

i. Different major overseas principals

ii. Goods that are subsequently sold to local or

overseas customers (i.e. where you are acting as

Section 33(2) agent)

iii. Goods that are re-exported back to the same

overseas principal (i.e. where you are acting as

Section 33A agent)

For information and conditions on sections 33(2) and 33A agents, please refer to the e-Tax Guide

“GST: Guide on Imports”.

3 Check your supporting documents for the samples selected

Step

For all imports

3.1

Ensure you have these supporting documents for the samples selected

in Step 3E.2 which include:

 Import permits and/or Inward Summary Report from the Air Express

Companies (AEC)

 Transport documents (e.g. Bill of lading, Air waybill, etc.)

 Overseas suppliers’ invoices

 Local suppliers’ invoices (for goods imported from overseas, but

ownership of the goods were transferred before importation)

3.2

Perform the following checks on your supporting documents and listing.

For import permits and transport documents, check that:

i. Import permit shows your business name as the importer. If not, find

out why the permits were taken up by another person for these goods

belonging to you. If this is a genuine mistake on the importer's name,

please ensure that you are able to support your imports with

alternative documents such as invoices and shipping documents

(e.g. Bill of Lading etc). Please also ensure that similar error does not

occur again.

ii. Transport document(s) show your business name as the consignee.

iii. Purchase of goods is incurred for your business purposes.

iv. ‘Total Amount Excluding GST’ is recorded correctly in your listing

based on the CIF amount on the import permit.

Step

For your own imports

For goods imported on behalf of

overseas principals as Section

33(2) or Section 33A agent, only

if the overseas principals are not

GST-registered

3.3

For overseas suppliers’ invoices

issued to you, ensure that:

i. Overseas supplier’s invoice

is addressed to your

business name.

ii. Details on the overseas

supplier’s invoice match to

the transport document(s)

and import permit.

For purchases from local

suppliers but goods are imported

from overseas, ensure that:

i. Ownership of the goods is

transferred to you before the

goods are imported into

Singapore.

ii. Local supplier has invoiced

you before the goods are

imported and cleared under

your business name.

iii. Details on the local supplier’s

invoice match to the

transport document(s) and

import permit.

For re-imports under Section

33B, ensure that:

i. You satisfy all the conditions

and requirements listed in the

e-Tax Guide “GST: Claiming

of GST on re-import of value-

added goods”

Ensure that:

i. You are able to differentiate

import permits taken up for your

own goods from those belonging

to overseas principals, who must

not be GST-registered.

ii. You have a system in place to

trace the subsequent sales made

or movement of the goods

imported on behalf of your

overseas principals.

 For goods which you have

imported as Section 33(2)

agent, ensure that the

subsequent sales are reported

as your standard-rated supply

if sold locally or as zero-rated

supply if exported.

 For goods which you have

imported on behalf of your

overseas principal under

Section 33A, ensure that they

are subsequently exported out

of Singapore back to the same

overseas principal and the

export is reported as zero-

rated supply in your GST

return.

Step

For all imports

3.4

You need to identify all the imports selected in Step 3E.2 into the following

categories and trace the subsequent sale or movement of some of the

imports selected. Follow the flowchart below to determine the samples to

be selected.

As a good practice, use the Pre-Filing Checklist, "Goods Imported under Major

Exporter Scheme / Approved 3rd Party Logistics Company / Other Approved

Schemes and Taxable Purchases" or "Goods Imported under Import GST

Deferment Scheme and Taxable Purchases" (whichever is applicable), when filing

your GST return.

At the time when you

perform this step of ASK

Annual Review, where are

the goods imported under

the selected import permit?

Goods imported on behalf

of overseas principals

Select 1 sample with

the highest import

permit value

No further action is required Select 1 sample for each

overseas principal with the

highest import permit value

Your own imports

Raw

materials

Trading

goods

Fixed assets

e.g. machinery

Re-imports under

Section 33B

Flowchart for Step 3.4 Process

If the goods imported under this sample have no unique identifier or consists of voluminous

subsequent movement of goods, you may provide a documentation of the inventory processes and

controls in place (performed by ATA (GST) / ATP (GST)) instead of performing the next step in the

flowchart. Please refer to paragraph 4.3 for details.

Categorise all samples

selected in Step 3E.2

Stored in

warehouse? Sold

locally?

Exported to

overseas

customer?

Exported back to the same

overseas principal under

Section 33A?

For each selected sample with the highest import permit value, trace import to the subsequent

movement of the goods.

Identify the goods imported into these 4 categories. Goods imported

under one import permit may fall into 2 or more categories.

4. If you import goods belonging to others or unable to trace import to the

subsequent movement of the goods

4.1. If you have imported goods that belong to others or are not for your business

use, refer to Pre-Filing Checklist, "Goods Imported under Major Exporter

Scheme / Approved 3rd Party Logistics Company / Other Approved Schemes

and Taxable Purchases" or "Goods Imported under Import GST Deferment

Scheme and Taxable Purchases" (whichever is applicable) and take the

necessary actions.

4.2. If you are unable to trace the subsequent sale or movement of the goods,

provide explanation as to why you are unable to do so and report the total import

value of the affected goods in “Disclosure of Errors” template” (refer to Step 5).

4.3. The goods you import may have no ‘unique identifier’ (such as a unique serial

number) or have voluminous movements from the point of receipt to eventual

sales, therefore making it difficult for you to trace the movements of the goods.

As an administrative concession for MES and IGDS imports, you may instead

provide a documentation of your inventory processes and the controls you have

in place to track the movement of your imported goods at various stages (i.e.

from the point of receipt to eventual supply). A walk-through of the documented

processes

and testing of controls

must also be performed by the ATA (GST)

/ ATP (GST) to assure the Comptroller that there is:

a. No misuse of the benefits of the scheme;

b. All goods imported are properly accounted for; and

c. Tax on any subsequent supply has been correctly charged and accounted

for in the GST returns.

4.4. The concession does not apply to all other types of goods and goods imported

on behalf of others (e.g. where you are acting as agents under sections 33(2),

33A and 33B of the GST Act). A business importing goods on behalf of other

parties would have the required tracking system to account to the latter on the

goods imported. Step 3.4 therefore remains compulsory.

5 Record the results of your checks in Template 7

Please include a brief background of your business’ inventory model to provide context to the

walkthrough.

Testing of controls is an audit procedure to test whether the controls in place are operating effectively.

Your ATA (GST) / ATP (GST) must validate that the controls you have put in place for inbound goods,

storage of goods and outbound goods are working effectively and assess whether GST risks are

mitigated. Your ATA (GST) / ATP (GST) is required to test the controls of a minimum of 5 transactions

per goods movement leg (i.e. inbound leg, storage leg, outbound leg) for the review period.

Template 7 – Checklist For Taxable Purchases (Imports – GST

Suspended or Deferred) contains the above checks that you

need to perform to ensure that GST is properly suspended or

deferred according to conditions of the scheme. It is also for

you to record down results of your checks.

Template 7

(click to

download)

Overview

In Step 1, you have already reviewed your GST returns filed for the past financial year.

Now in Step 4, you are to review and compare your financial statements

against your

GST declarations for the same financial year. The checks performed in Step 4 below

provide another level of assurance that your GST declarations are complete and

accurate. If discrepancies are noted, you need to explain and quantify the errors (if

any).

4.1 Compare Sales or Turnover (in financial statements) to annual Total

Supplies (in GST returns)

Compare the Sales or Turnover reported in your financial statements to the

annual Total Supplies reported in your GST returns, and compute the difference.

When your annual Total Supplies in GST returns are significantly lower than

your Sales in the financial statements

, this could indicate that you have

substantially under-declared the supplies figure in your GST reporting. You

should quantify the errors (if any), unless you are able to explain for the

difference and be satisfied that they are in order.

4.1.1 If your financial year end does not coincide with your GST filing cycle, you

may determine the Sales figure (in financial statements) to compare against

your annual Total Supplies (in GST returns) in Step 4 of ASK Annual Review

as illustrated in the following example:

If your audited financial statements are not ready when you perform this step, you may use your

unaudited financial statements or your management accounts.

Sales or Turnover in the financial statements should not deviate much from the annual Total Supplies

in GST returns. Some common reasons for the difference are categorised as follows:

 Out-of-scope supplies which are not required to be reported in GST returns, but are included in

the financial statements.

 Different basis on when sales are recognised in GST returns and financial statements.

 Different basis in the valuation of transactions for GST reporting and accounting.

Step 4 Review your Financial Statements or Management

Accounts for the Same Financial Year

4.1.2 You have selected the financial year from 1 Dec 2015 to 30 Nov 2016 to

conduct ASK Annual Review on your quarterly GST returns from 1 Oct 2015 to

30 Sep 2016.

4.1.3 As your financial year does not coincide with your GST accounting periods, you

have to compute a “comparable” sales figure for the period of 1 Oct 2015 to 30

Sep 2016 and compare it against your annual Total Supplies in Step 4 of ASK

Annual Review.

4.1.4 You may choose any of the following methods that best reflects the

“comparable” sales figure:

a) Actual sales from 1 Oct 2015 to 30 Sep 2016 based on management

accounts, including audit adjustments (if any);

b) Pro-rate 2 months of your audited sales from 1 Dec 2014 to 30 Nov 2015

to obtain sales for 1 Oct 2015 to 30 Nov 2015 and pro-rate 10 months of

your audited sales from 1 Dec 2015 to 30 Nov 2016 to obtain sales for 1

Dec 2015 to 30 Sep 2016. Add both pro-rated sales to obtain audited

sales figure for 1 Oct 2015 to 30 Sep 2016; or

c) Audited sales from 1 Dec 2015 to 30 Nov 2016 if your sales are generally

consistent throughout the years.

31 Dec 2015

31 Mar 2016

30 Jun 2016

30 Sep 2016

1 Dec 2015

30 Nov 2016

GST filing period

(quarterly)

Financial year

1 Oct 2015

Follow the flowchart below to determine when you need to reconcile and explain

for the difference between your Sales and annual Total Supplies.

Compute the yearly ratio of Total Standard-

rated Supplies (Box 1) over Total Supplies

(Box 4) of your GST returns.

Are your annual Total

Supplies in GST returns

< your Sales in the

financial statements?

Compute the difference.

No further action is

required for GST

ASK Annual

Review purposes

Yes

Is your yearly ratio of

Total Standard-rated

Supplies over Total

Supplies > 75%?

Yes

(i.e. ratio is 75% or > 75%)

(i.e. ratio is < 75%)

Reconcile and provide

explanation when the difference

more than $150,000

Reconcile and provide

explanation when the difference

more than $500,000

4.2 Review for transactions with related parties and non-trade transactions

a. Review your financial statements (including the supporting schedules and

notes to financial statements, etc.) for the following transactions:

Nature of

transactions

Examples of

such transactions

Examples of

what to look for in

your financial

statements

i. With your related

parties (e.g.

holding company,

subsidiary

company, etc.)

 Sales made to related

company

 Interest income from

loan to related

company

 Amount due from/to

related companies

or related parties

 Significant related

party transactions

ii. For non-trade

purposes

 Sale or disposal of

fixed asset

 Sale or rental of

commercial property

 Fixed assets

 Other income

b. Check whether these transactions were reported in your GST returns. If

these transactions were not reported, you have to quantify and

account for the omitted transactions.

4.3 Review for outstanding payments not made to your suppliers

a. Review for purchases which you have not paid the supplier within 12 months

from the due date for payment (e.g. based on your supplier ageing report or

by matching your supplier’s tax invoices against your payment records).

b. Check whether you had accounted back the GST previously claimed on

these purchases in your GST returns. If no, you have to quantify the

amount of input tax to be accounted back.

4.4 Record the results of your checks and your explanation for the discrepancy (if

any) in Template 1 (same template used in Step 1).

The GST-registered business is responsible for the completeness and accuracy of the

ASK Declaration even if the review is outsourced to an external ATA (GST) or ATP

(GST).

5.1 If errors are discovered during ASK Annual Review

5.1.1 Submit your findings to IRAS using “ASK: Declaration Form on Completing

Annual Review & Voluntary Disclosure of Errors”. In addition, you must

complete and submit the “Disclosure of Errors” template. You can find a list

of the errors in Appendix 1.

5.1.2 You do not need to submit to IRAS the checklists and templates recorded for

Steps 1 to 4 but they must be made available to us upon our request.

5.1.3 For ASK reviews submitted as a requirement for GST schemes applications or

renewals, if the error impacts the qualifying threshold set for the scheme, the

business must re-assess whether it still meets the qualifying threshold based

on the corrected values. For example, applications for the MES requires that

the applicant’s zero-rated supplies must account for more than 50% of the total

supplies or the value of zero-rated supplies is more than S$10 million for a 12-

month period. Therefore, where the error affects the value of zero-rated

supplies, the applicant must re-compute the value of zero-rated supplies to

determine if the qualifying condition is met.

5.2 If errors fall within the list of administrative concessions for common

errors

5.2.1 A list of administrative concessions for common errors discovered in the course

of ASK Annual Review can be found in the “ASK: Declaration Form on ASK

Administrative Concessions”. You may enjoy these administrative

concessions if your errors fall within the scenarios described and that the

conditions (if any) specified are satisfied. There is no need to seek the

Comptroller’s approval to enjoy any of these administrative concessions.

Unless otherwise stated, the administrative concessions will only apply to past

“ASK: Declaration Form on Completing Annual Review &

Voluntary Disclosure of Errors” is a form for you to declare the

results of your findings and errors discovered (if any) to IRAS

after completion of ASK Annual Review.

Declaration &

Disclosure of

Errors Form

(click to

download)

Step 5 Quantify your Errors (if any) and Submit your Findings

to IRAS for Review

errors and businesses are required to take remedial actions to prevent

recurrence of the errors.

5.2.2 Businesses that adopt any of the administrative concessions are required to

complete the “ASK: Declaration Form on ASK Administrative Concessions”

and submit it to IRAS. No approval will be separately issued for the

administrative concessions. Businesses are required to retain the declaration

for at least 5 years.

5.2.3 In the event that IRAS discovers that a business has either wrongly applied,

abused any concession, made a false or incorrect declaration or failed to take

remedial actions, enforcement actions (such as the recovery of tax and the

imposition of penalties) may be taken against the business.

5.2.4 The scenarios cited in the administrative concessions list are not exhaustive.

For scenarios not covered in the guide or other publications issued by IRAS

(e.g. other GST guides or Practice Notes), businesses are advised to write to

IRAS, providing full details of the errors. It is not necessary to write in for

situations already covered in IRAS’ publications.

5.3 If errors are recurring in nature

5.3.1 If your error is recurring in nature, it is likely that you have also made the same

mistake in your other GST returns. For the purpose of this Annual Review, we

require you to review your past GST returns only when your error discovered

in Step 3 is recurring in nature and GST is involved (i.e. it affects your output

tax and/or input tax).

5.3.2 You can consolidate and quantify the yearly amount of your recurring error for

each of the affected past financial year(s), instead of for each GST accounting

period.

“ASK: Declaration Form on ASK Administrative Concessions”

is a form for you to declare the administrative concessions

applied (if any) to IRAS after completion of ASK Annual

Review.

Declaration

Form on ASK

Administrative

Concessions

(click to

download)

5.4 If you have difficulties reviewing your past GST returns

5.4.1 If you have difficulties reviewing your past GST returns for the actual error

amount, you may use a proxy

to compute an estimated error amount for the

purpose of this annual review. As this is an estimated error amount, you need

to state your basis or method of estimation in the “Disclosure of Errors”

template for IRAS’ consideration and approval.

5.5 After submitting Declaration Form and “Disclosure of Errors” template

5.5.1 Upon receipt of your Declaration Form and “Disclosure of Errors” template (if

applicable), IRAS may contact you for further clarification and request for your

supporting documents.

5.5.2 We will also follow up with you on your ASK Annual Review and raise GST

assessment(s) for your error(s) or advise you on how to correct the error(s).

Hence, please do not correct your error(s) immediately upon the completion of

this annual review in GST F7 “Disclosure of Errors on GST Return” for the

affected accounting period(s) or your current GST F5 return.

5.6 If no error is discovered during ASK Annual Review

5.6.1 You should submit the Declaration Form to IRAS to demonstrate your

commitment to be GST-compliant.

If the trend of your supplies/ purchases is consistent, you can consider using a fixed quantum. If the

trend tends to fluctuate, a percentage or proportion may be more suitable.

Flowchart for Step 5 Process

For accounting period ending on or after 1 Jan 2007.

Isolated

Recurring

Non-GST error is

made

E.g. taxable purchases,

out-of-scope supplies

wrongly reported as

zero-rated supplies,

etc.

Isolated GST error is

made

E.g. omission of output

tax on one-off sale of

commercial property, etc.

GST error is recurring in nature and likely

to repeat in other GST returns

E.g. input tax claims on disallowed purchases,

incorrect zero-rating of supplies of goods with no

or insufficient export documents, etc.

Submit both Declaration Form and “Disclosure of Errors” template to IRAS

 Complete the relevant

section of “Disclosure

of Errors” template.

 Quantify and report

the non-GST amount

in error for the selected

return(s) under ASK

Annual Review.

 Complete the relevant

section of “Disclosure

of Errors” template.

 Quantify and report

the GST amount in

error for the selected

return(s) under ASK

Annual Review.

 Complete Section B of “Disclosure of Errors”

template.

 Quantify and report the GST amount in error for:

I) the selected return(s) under ASK Annual Review

and other affected return(s) of the same

financial year; and

II) each affected financial year for the past 5

years15 and up to current period, if applicable.

Notes for (II)

 If you have difficulties in quantifying the actual

GST error amount, you may propose a method of

estimation (“proxy”) for IRAS’ consideration and

approval.

Did you discover any error(s)

made in your GST return(s) in

Steps 1, 3 and 4?

For each error made,

does it involve GST?

Yes

Is the GST error isolated

or recurring in nature?

No error discovered

Error(s) discovered

Complete Declaration

Form and submit to IRAS

Is the error in the list

of ASK administrative

concessions?

Follow the instructions in

the “ASK: Declaration Form

on ASK Administrative

Concessions” and submit the

completed form to IRAS,

together with the Declaration

Form, and complete the

“Disclosure of Errors”

template (if applicable).

Yes

10 Certification of ASK Annual Review

Who should read this section:

The Accredited Tax Advisor or Accredited Tax Practitioner (GST)

10.1 The ATA (GST) or ATP (GST) needs to perform the following procedures to

certify the ASK Annual Review:

a) Identify outlying trends in the GST trend analysis and review if reasonable

explanations are provided.

b) Review that the correct GST return was selected by the GST-registered

business to perform the checks in ASK Annual Review Step 3.

c) Perform analytical review of GST Supplies Listings of the Selected Period

to identify indications of gaps. Examples of such indications include:

i. Invoices not in running sequences

ii. Unexplained missing transactions

iii. Transactions with GST amounts different from computed GST amounts

based on value of supplies

iv. Transactions that are tax coded as zero-rated, exempt or out-of-scope

but reflect GST amounts

v. Transactions that are tax coded as standard-rated but do not reflect

GST amounts

d) Perform analytical review of GST Purchases Listings of the Selected Period

to identify indications of gaps. Examples of such indications include:

i. Processing the same invoice more than once

ii. Claiming input tax specifically disallowed under the GST Act or not

incurred for business purpose

iii. Transactions with GST amounts different from computed GST amounts

based on purchases’ value

iv. Transactions that are tax coded as zero-rated, exempt or out-of-scope

but reflect GST amounts.

e) Review that the samples selected by the GST-registered business for

substantive testing cover the various supplies and purchases categories

applicable to the business.

Input tax claimed is not reflective of the corresponding value of purchase captured. E.g. not

equivalent to the value of purchase charged at the prevailing rate, other than rounding differences.

f) Perform verification on the supplies sampled by the GST-registered

business for substantive testing using the sample size set out in (h) as

follows:

i. Verification of values

ii. Adherence to proper cut-off

iii. Correct tax classification

iv. For export of goods, the transport document contains sufficient

information to support that the goods exported are identical to the

goods sold.

g) Perform verification on the purchases and input tax claims sampled by the

GST-registered business for substantive testing using the sample size set

out in (h) as follows:

i. Input tax claimed on purchase from GST-registered supplier is

supported by valid tax invoice addressed to the GST-registered

business undertaking ASK Annual Review

ii. Input tax claimed on imports is supported by payment permits or

subsidiary import certificate addressed to the GST-registered business

undertaking ASK Annual Review

iii. Input tax claim is for business purposes and attributable to the making

of taxable supplies

iv. Purchases or claims are classified correctly

v. The Singapore dollar value of GST is shown in the tax invoice/ payment

permit agreed to GST listing and accounts

vi. Taxable Purchases / imports and input tax, where applicable is

captured in the correct accounting period.

vii. For imports, shipping documents reflect company as the consignee.

h) The minimum sample size for verification is prescribed in Table 1 and Table

i) Indicate the samples selected for (f) and (g) within the provided columns in

the ASK Working Templates.

10.2 If there is any exception(s) discovered, the ATA (GST) or ATP (GST) has to

document his findings.

10.3 In the event that the ATA (GST) or ATP (GST) observes a high possibility of

GST errors

in the course of review, he should increase the sample size and

include transactions not sampled by the GST-registered business to a level that

he deems fit to make a factual finding.

10.4 A summary of the certification procedures can be found in Appendix 2 for

reference purpose.

10.5 If the ASK Annual Review is performed on a voluntary basis, the ASK Annual

Review may be performed by the GST-registered business, performed or

certified by an ATA (GST), ATP (GST) or ATP (GST) (Provisional). For

application for or renewal of GST schemes where ASK is specified as pre-

requisite, the ASK Annual Review must be performed or certified by an ATP

(GST) who has met both the practical and examination requirements, as set out

in the admission requirements by Singapore Institute of Accredited Tax

Professionals (SIATP).

An example is non-issuance of invoices due to systemic errors.

Table 1 - Minimum sample size for each category of SUPPLIES Transactions for

certification purpose

Minimum sample size

for each category of

Supplies for certification

purpose

Where the GST-registered business

is in general business

is actively making exempt

supplies

Standard-rated Supplies

10 per category

(if sample size is ≤ 30 in ASK Annual Review)

15 per category

(if sample size is > 30 in ASK Annual Review)

Zero-rated Supplies

10 per category

(if sample size is ≤ 30 in ASK Annual Review)

20 per category

(if sample size is > 30 in ASK Annual Review)

Exempt Supplies

(non-regulation 33)

Not Applicable

(regardless of sample size used

in ASK Annual Review)

If the total number of transactions per category is less than the minimum sample size listed

above, certify all the transactions.

Table 2 - Minimum sample size for each category of PURCHASE

Transactions/CLAIMS for certification purpose

Minimum sample size for each category of Purchase Transactions/Claims for

certification purpose, regardless of sample size used in ASK Annual Review

Taxable Purchases (Local)

Taxable Purchases (Imports – GST Paid)

10 per category

Taxable Purchases (Imports – GST Suspended)

Taxable Purchases (Imports – GST Deferred)

Tourist Refund Scheme Claims

5 per category

Bad Debt Relief Claims

If the total number of transactions/claims per category is less than the minimum sample size

listed above, certify all the transactions.

11 Frequently Asked Questions

11.1 I am under GST group registration. For ASK Annual Review, should I

select samples from only one company in the GST group (e.g.

representative member)?

If you are under GST group registration, your selection of samples during ASK

Annual Review should cover all members within the GST group (not just the

representative member of the group who files the GST returns) in proportion to

their “total supplies and total purchases” for the selected period under review.

For the whole GST group, the sample size for each figure declared in the GST

return will still remain at minimum 30 samples to cover at least 30% of the listing

value, or a maximum of 60 samples (up to 40 samples for standard-rated

supplies).

For divisional registration, the selection of samples should cover all GST

divisions in proportion to their “total supplies and total purchases” for the

selected period under review. The sample size for each figure declared in the

GST returns (consolidated on per entity basis) will still remain at minimum 30

samples to cover at least 30% of the listing value, or a maximum of 60 samples

(up to 40 samples for standard-rated supplies).

11.2 I am under GST group registration. I have discovered errors made by the

GST group while conducting the ASK Annual Review and similar errors

were made before I became a member of the GST group. Should I include

the errors made by me prior to GST group registration in the GST Group’s

disclosure of errors?

Separate disclosures should be made for the GST group and those made by

any member before GST group registration.

11.3 For GST group registration, should I select only active group members in

the GST group for the ASK Annual Review?

While your review would cover all active members at the time of review,

however, should errors be discovered, you are to quantify the errors for all

members including ex-members under the same GST group in the past 5 years.

11.4 I am under Approved Import GST Suspension Scheme (AISS). I noticed

that some of the questions or steps in ASK do not address GST treatment

for AISS scheme. What should I do?

The pre-filing checklists and ASK Annual review are meant for all businesses

and do not cover specific GST treatment or requirements under these special

schemes. If you are under any GST scheme (e.g. AISS, Approved Third Party

Logistics Company (3PL) Scheme, Approved Contract Manufacturer and

Trader (ACMT) Scheme), you need to ensure that your GST treatment and

reporting are done correctly in accordance to the requirements of the specific

scheme.

11.5 Must I use the checklists and templates provided in Step 3 of ASK Annual

Review Guide? Can I instead use my own checklists or record the results

of my findings on my own documents?

The checklists and templates provided at Step 3 are recommended but if you

do not wish to use these checklists and templates provided, you may record the

results of your findings on your own checklists or other documents. However,

should IRAS request for your working papers, you must be able to show that

you have performed all the required checks under ASK Annual Review Guide.

11.6 I had made errors after submitting my GST return. Do I wait until I

commence and complete the ASK annual review before disclosing the

errors to IRAS?

No. If you discover errors in your past GST return(s) before commencement of

ASK Annual Review, you should correct the errors by either:

a) Submitting a “Disclosure of Errors on GST Return” (i.e. GST F7 return)

for the affected prescribed accounting period(s); or

b) Adjusting the errors in your current GST F5 return if:

i. the net GST amount in error for all the prescribed accounting

periods affected is not more than $1,500; and

ii. the summation of non-GST amounts in error for each of the

prescribed accounting period(s) affected is not more than 5% of

the total supplies. Where there were no supplies made in the

prescribed accounting period, the 5% rule will be applied to the

total taxable purchases.

11.7 What happens if I do not find any errors in the ASK Annual Review?

You should complete the Declaration Form and submit it to IRAS to

demonstrate your commitment to be GST-compliant. However, you do not have

to complete the template on disclosure of errors.

You need not submit your working papers (e.g. the checklist for the samples)

to IRAS but do keep them in accordance with the record-keeping requirements

as IRAS may request you to submit them for review.

11.8 I submit my GST returns for quarterly accounting periods ended 31 Mar,

30 Jun, 30 Sep and 31 Dec. I wish to conduct an ASK Annual Review for

the financial year ended 31 Dec 2015. Please advise on when I should

complete ASK Annual Review to take advantage of IRAS Voluntary

Disclosure Programme?

IRAS will waive the 5% late payment penalty if you complete the ASK Annual

Review and disclose your GST error(s) for the financial year ended 31 Dec

2015 by 31 Jan 2017 (i.e. 1 year from the statutory filing date of your GST return

for the period ended 31 Dec 2015). This is provided that you meet all the

qualifying conditions and your situation does not fall within the specific

exclusions from the programme. Please refer to e-Tax Guide “IRAS’ Voluntary

Disclosure Programme” for more details.

11.9 I submit my quarterly GST returns based on accounting periods ended 31

Mar, 30 Jun, 30 Sep and 31 Dec. However, my financial year ends on 30

Nov which does not coincide with my GST filing cycle. How should I

proceed with ASK Annual Review for the financial year of 1 Dec 2015 to

30 Nov 2016?

To conduct ASK Annual Review for this financial year, you should review your

GST returns for the accounting periods ended 31 Dec 2015, 31 Mar 2016, 30

Jun 2016 and 30 Sep 2016 (as they fall within the financial year).

Your last return for this financial year is for the accounting period ended 30 Sep

2016 and the statutory filing date of this return is 31 Oct 2016. If you complete

the ASK Annual Review and disclose your GST error(s) for this financial year

by 31 Oct 2017, the 5% late payment penalty may be waived.

(Note: The filing cycle of your GST returns is assigned according to your

financial year-end and so a situation like yours should not arise. If you had

changed your financial year-end, you should consider changing your GST

accounting periods to fit your new financial year-end. Please therefore write in

to IRAS by letter or email.)

11.10 Do you accept ASK Annual Review performed or certified by an

Accredited Tax Practitioner (GST) (Provisional)?

Yes if the ASK Annual Review is performed on a voluntary basis. For

application for or renewal of GST schemes where ASK is specified as pre-

requisite, the ASK Annual Review must be performed or certified by an ATP

(GST) who has met both the practical and examination requirements, as set out

in the admission requirements by Singapore Institute of Accredited Tax

Professionals (SIATP).

11.11 Am I correct to say that I do not need to review my out-of-scope supplies

since the ASK Annual Review does not cover this supply?

GST-registered business has to maintain documents to support that the supply

is out-of-scope. The following are suggested documents to maintain:

a) Purchase Order indicating the delivery terms, collection details and

shipping location

b) Delivery Order, endorsed by the person collecting/receiving the goods,

where applicable

c) Invoice issued to the buyer

d) Evidence of payment received from the buyer

e) Shipping documents e.g. bill of lading, airway bill and transhipment

permits (where applicable)

f) Copy of the Warehouse Receipt Note / Goods Received Note issued and

endorsed by warehouse operator in Free Trade Zone (FTZ), where

applicable.

Although there is no direct step for GST-registered businesses to review their

out-of-scope supplies, they may have to do so at the following steps:

“Step 3B: Check your Zero-rated Supplies”. Businesses may have incorrectly

classified out-of-scope supplies as zero-rated supplies.

“Step 4.1: Compare Sales or Turnover (in financial statements) to annual Total

Supplies (in GST returns)”. Businesses may need to review and sum their out-

of-scope supplies to reconcile for the differences.

11.12 I am a foreign company and my financial statements will include revenue

from both my overseas and local operations but the total supplies

reported in my GST returns are only for my local operations. This will

result in a difference when I perform Step 4.1. Can I skip Step 4.1?

GST-registered foreign companies are still required to perform Step 4.1. You

may use the management accounts for Singapore instead of financial

statements (which includes both overseas and Singapore sales) to perform this

comparison.

12 Contact information

12.1 For enquiries on this guide, please contact:

Goods & Services Tax Division

Inland Revenue Authority of Singapore

55 Newton Road

Singapore 307987

Tel: 1800 356 8633

Email: gst@iras.gov.sg

13 Updates and Amendments

Date of

amendment

Amendments made

24 Nov 2014

(i) Revised paragraphs 2.1 and 2.1.1.

(ii) Inserted Footnote 11, 14 and FAQ 10.10.

21 Jul 2015

(i) Revised Step 3D and 3E of paragraph 8

“Overview of the ASK Annual Review

Process”, Appendix 1 in line with Section 33B

of the GST Act.

(ii) Amendments to paragraphs 5, 9.5, Step 3D

3.3, Step 3E 3.3 of paragraph 8 “Overview of

the ASK Annual Review Process”.

30 Oct 2015

Amendments to Step 3 and Step 3A of paragraph

8 “Overview of the ASK Annual Review Process”,

Table 1- minimum sample size for each category

of supplies transactions” of paragraph 9

“Certification of ASK Annual Review” and FAQ

10.1 due to revision of maximum sample size for

standard-rated supplies.

5 Sep 2017

Inserted paragraph 5 to introduce administrative

concessions for common errors disclosed through

the ASK Annual Review.

Amendments to Step 3E, 1.1b, 1.2b, 4.3, 4.4 and

Step 5, 5.2 of paragraph 9 “Overview of the ASK

Annual Review Process”.

Amendments to flowcharts for Step 3E, Step 3.4

process and Step 5 process.

Inserted Footnote 12, FAQ 11.2 and 11.3

Editorial amendments made to the following

paragraphs 2.2, 4.1, 4.2, 6, 7.2, 7.3, 8.2, 8.3, 8.4

Appendix 1 - List of Errors and Areas where Error may Occur

General

Over- / Under-reporting of value in GST return (e.g. due to calculation error, omission of

transactions, etc.)

Incorrect recording of value(s) from source document to listing and/or from listing to GST

return (e.g. due to the use of different exchange rates for tax invoices issued in foreign

currency and in the listing)

Wrong classification of supplies made

Standard-rated Supplies and Output Tax

Trading sales

Non-trading sales (e.g. reimbursements / re-billings made for purchases paid on behalf,

deemed supplies on goods given away free as gifts, etc.)

Sale / Disposal of assets (excluding properties)

Sale / Rental of commercial property and/or furniture & fittings in furnished residential

property

Trade-in transactions (Did not treat as 2 separate supplies for GST purposes)

Supplies made to related parties (e.g. related company, etc.)

Supplies made as local agent for overseas principal under Section 33(2) of GST Act

Credit note issued to customer / Debit note received from customer for reduction in sales

and/or GST

Repayment of GST previously suspended on imports (e.g. due to misuse or abuse of Major

Exporter Scheme status, etc.)

Repayment of GST previously claimed or suspended/deferred on the re-import of value-

added goods under section 33B from failure to satisfy qualifying conditions

Zero-rated Supplies

Supplies previously treated as zero-rated supplies but cannot qualify for zero-rating (e.g. do

not qualify as international services or due to insufficient export documents for goods, etc.)

Out-of-scope supplies (e.g. third country shipments, transhipments, etc.) wrongly included

in Box 2 of GST return

Exempt Supplies

Supplies previously treated as exempt supplies but cannot qualify for exemption (i.e. not

relating to financial services and sale/ rental of residential properties)

Incorrect value of exempt supplies reported in GST return (e.g. wrongly included the value

of unrealised gain or loss, etc.)

Taxable Purchases and Input Tax & Refunds Claimed

Input tax to be disallowed - No supporting source document (i.e. tax invoice / simplified tax

invoice / receipt for local purchases or import permit / subsidiary import certificate for

imports)

Input tax to be disallowed - Tax invoice not addressed to my business name or import

permit / subsidiary import certificate did not show my business name as the importer

Input tax to be disallowed - Duplicate input tax claims made

Input tax to be disallowed - Not for business purposes and/or specific expenses disallowed

under GST Regulation 26 and 27 (e.g. medical expenses or insurance premium incurred

by staff but not covered under Work Injury Compensation Act, running expenses for private

motor cars, etc.)

Input tax to be disallowed - Incurred directly for exempt supplies made and/or relating to

apportionment of input tax

Input tax to be disallowed - Purchases from non GST-registered suppliers and/or non-

taxable purchases (e.g. purchase or lease of residential properties, etc.) which do not

attract GST

Repayment of GST previously claimed on purchases where payment was not made to

suppliers within 12 months from the due date for payment

Tax invoices in foreign currency - Input tax claim in GST return was not made based on

the SGD amounts or the supplier's exchange rate shown on tax invoice

Credit note received from supplier / Debit note issued to supplier for reduction in purchases

and/or GST

GST refunds claimed under Tourist Refund Scheme and/or for Bad Debt Relief - conditions

not satisfied

For imports with GST deferred under Import GST Deferment Scheme - Over- /Under-

reporting of taxable purchases value and input tax claim

Imports with GST Suspended (e.g. under Major Exporter Scheme) or with

GST Deferred (under Import GST Deferment Scheme)

Import permit did not show my business name as the importer

Goods imported are not for my business purposes or not for my overseas principal under

Section 33(2) or Section 33A of GST Act

Unable to trace the subsequent sales or movement of the goods imported

Failed to account for deferred import GST payable in Box 15 of GST return

Appendix 2 – Summary of Certification Procedures (For Reference only)

Name of GST-Registered Business:

Prepared By :

UEN/ GST Registration Number:

Signoff :

Financial Year in Review:

GST Accounting Period(s) Selected for Review:

S/N

Procedures to Certify ASK Annual Review

To tick if no discrepancy

noted and cross (x) if gap/

error noted.

Elaboration on the Gap/

Error

Outlying trends in the GST trend analysis are identified and explanations

provided are reasonable.

The correct GST return was selected by the GST-registered business to

perform the checks in ASK Annual Review Step 3.

Analytical review of GST Supplies Listings of the Selected Period to identify

indication of gaps. Examples of such indications include:

a. Invoices not in running sequences

b. Unexplained missing transactions

c. Transactions with GST amounts different from computed GST

amounts based on value of supplies

d. Transactions that are tax coded as zero-rated, exempt or out-of-scope

but reflects GST amounts

e. Transactions that are tax coded as standard-rated but do not reflect

GST amounts

Analytical review of GST Purchases Listings of the Selected Period to identify

indication of gaps. Examples of such indications include:

a. Processing the same invoice more than once

b. Claiming input tax specifically disallowed under the GST Act or not

incurred for business purpose

c. Transactions with GST amounts different from computed GST amounts

based on purchases value 1

d. Transactions that are tax coded as zero-rated, exempt or out-of-scope

but reflects GST amounts.

The minimum sample size and samples selected cover the various supplies

and purchases categories applicable to the business are used for substantive

testing.

1 Input tax claimed is not reflective of the corresponding value of purchase captured. E.g. not equivalent to the value of purchase charged at the prevailing rate,

Verification of Substantive Test on Supplies

Information on samples selected for

verification.

No. of sample size

in Annual Review

No. of samples

verified

Standard-rated supplies

Zero-rated supplies

Exempt supplies

No.

Transaction details

Substantive test

Exception

No.

To tick if objective of test is met and

(x) if otherwise

Invoice/

Document

date

Invoice/

Document

number

Name of

customer/

Description

of transaction

Value of

supply (S$)

Amount of

GST (S$)

Type of

supply 2

(Add more rows if required)

Legend

Description of Substantive tests

Value of supply and GST is computed correctly at the time of sale (i.e. apply correct tax rate on the correct supply value).

Ensure cut-off date for the transaction falls within the prescribed accounting period of the GST return.

Transaction in source document agreed to GST listing and accounting system.

Supplies are classified correctly.

For export of goods, the transport document contains sufficient information to support that the goods exported are identical to the goods sold.

Other test, please specify:______________________________________________________________________________________

2 Please indicate the type of supply - standard-rated, zero-rated or exempt supply.

Verification of Substantive test on Purchases

Information on samples selected for verification

No. of sample size in

Annual Review

No. of samples

verified

Taxable Purchases (Local)

Taxable Purchases (Imports – GST Paid)

Taxable Purchases (Imports – GST Suspended)

Taxable Purchases (Imports – GST Deferred)

Tourist Refund Scheme Claims

Bad Debt Relief Claims

No.

Transaction details

Substantive test

Except

ion No.

To () if objective of test is met and (x) if

otherwise

Invoice/

Document

date

Invoice/

Document

number

Name of

supplier/

Description

Description of

transaction

Value of

supply

(S$)

Amount

of GST

(S$)

Type of

Purchase/

Claim 3

(Add more rows if required)

Legend

Description of Substantive tests

The tax invoice (for taxable purchases)/ import permit (for imports) is addressed to the GST-registered business or employee as agent of the

GST-registered business.

Input tax on purchase from GST-registered supplier is supported by tax Invoice that complies with Regulation 11 while GST paid on imports

is supported by payment permits or subsidiary import certificate.

Input tax claim is in the course and furtherance of the business and attributable to the making of taxable supplies.

Purchases or claims are classified correctly.

The Singapore dollars or equivalence of the value of purchase/ import and GST (if applicable) in the invoice/ permit agreed to GST listing and

accounting system.

Purchases/ imports and input tax, where applicable, are captured in the correct accounting period.

For imports, shipping documents reflect GST-registered business as the consignee.

Other test, please specify: _____________________________________________________________________________________.

3 Please indicate the type of purchase or claim. Example, Taxable Purchases (Local), Taxable Purchases (Imports – GST Paid), Taxable Purchases (Imports

– GST Suspended), Taxable Purchases (Imports – GST Deferred), Tourist Refund Scheme Claims or Bad Debt Relief Claims.

Exception(s)

Exception No.

Description of exception

Transaction reference, if any

Impact on GST revenue

(Add more rows if required)

GST ASK Annual Review Guide

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