ASK is a comprehensive self-assessment compliance package that aids businesses to review the correctness of their GST submissions and discover past GST errors early so as to qualify for IRAS’ Voluntary Disclosure Programme.

The tool is especially useful if you are newly registered for GST or filing GST returns for the first time.

Who can use ASK

All GST-registered businesses can use ASK voluntarily. However, conducting ASK is a requirement if you are applying for or renewing certain GST schemes.

What ASK includes

ASK has 3 sections. You can use each section separately or together, depending on your needs.

Section 1: GST Practices

What you can use it forWho should use itHow to start
Assess if your internal processes for People, Record-keeping, Systems, and Internal controls and Risk management ensures GST compliance
  • Businesses planning to register for GST
  • Businesses that are newly registered for GST
  1. Try the GST Practices tool (XLSX, 186KB)
  2. Download the Section 1 User Guide (PDF, 365KB)

Section 2: Pre-Filing Checklist

What you can use it forWho should use itHow to start
Check your GST returns before you submit them. 
  • Businesses filing their first GST return
  • Businesses with new arrangements or new GST staff
  1. Try the Pre-Filing Checklist (XLSX, 1.4MB)
  2. Download the Section 2 User Guide (PDF, 285KB)

Section 3: ASK Annual Review

What you can use it forWho should use itHow to start
Review your past GST returns to detect errors early
  • All GST-registered businesses
  1. Find out more about ASK Annual Review.

Benefits of using ASK

When you ask ASK, you will:

  • Understand GST filing and record-keeping requirements
  • Review if your GST returns are accurate 
  • Avoid common GST errors that lead to penalties 
  • Discover past errors early for timely disclosure to IRAS. This helps you to enjoy reduced penalties under the IRAS' Voluntary Disclosure Programme
  • Enjoy administrative concessions for common errors found during ASK Annual Review
  • Fulfil requirements for certain GST schemes applications or renewals

    ASK for GST schemes applications and renewals

    You must perform the ASK Annual Review if you are applying for or renewing the following GST schemes:

    GST scheme applicationsGST scheme renewals
    1. Import GST Deferment Scheme (IGDS) 
    2. Major Exporter Scheme (MES)
    3. Approved Contract Manufacturer and Trader (ACMT) Scheme
    4. Specialised Warehouse Scheme (SWS)
    5. Approved Third Party Logistics (3PL) Company Scheme
    6. Approved Import GST Suspension Scheme (AISS)
    7. Approved Marine Customer Scheme (AMCS)
    8. Approved Refiner and Consolidator Scheme (ARCS)
    1. Import GST Deferment Scheme (IGDS)
    2. Major Exporter Scheme (MES)
    3. Approved Contract Manufacturer and Trader (ACMT) Scheme
    4. Specialised Warehouse Scheme (SWS)

    The ASK Annual Review templates are designed to help you identify and report errors. Please do not include technical questions in these templates. You may submit the technical questions (if any) in a separate cover letter, together with your ASK submission. Alternatively, please submit your questions via myTax Mail on myTax Portal or via the online forms. If you are a Tax Agent submitting questions for a client, please include all the information specified on the webpage “Request for GST Technical Clarification”. If you are not a Tax Agent, we still recommend that you provide the same details. Providing complete and relevant information will facilitate a more efficient review and response to your request.

    Who can perform the ASK Annual Review

    For GST scheme applications or renewals that require ASK, you need an accredited tax professional to perform or certify the ASK Annual Review.

    The tax professional must be accredited with Singapore Chartered Tax Professionals Limited (SCTP) as either:

    • Accredited Tax Advisor (GST) [ATA (GST)], or
    • Accredited Tax Practitioner (GST) [ATP (GST)] 

    You have 2 options:

    • Option 1: An accredited tax professional performs the review for you
    • Option 2: Your business performs the review and an accredited tax professional certifies it

    The accredited tax professional can be your staff member or an external consultant.

    For more information on accreditation, visit the SCTP website at https://sctp.org.sg.

    What you need to submit

     If you are applying for or renewing GST schemes that require ASK, submit these forms: