Table of Contents
One. What is a GST Scrutiny Notice (ASMT-10)? Two. Timeline: 30 Days to Reply Three. Common Discrepancies That Trigger Scrutiny Four. How to Prepare Your ASMT-11 Reply Five. Key Tips for Drafting the Reply Six. What Happens After You Reply Seven. Possible Outcomes Eight. Common Mistakes to Avoid Nine. What Happens If You Miss the Deadline Ten. Where Tax Garden Helps
Key Takeaways
A GST scrutiny notice (Form ASMT-10) is issued under Section 61 of the CGST Act 2017 when the tax department finds discrepancies in your GST returns during scrutiny. It is a request for explanation and supporting documents, not a demand notice.
The deadline to reply is 30 days from the date of service. Late or missing replies can trigger tax demands with 18% interest and penalties up to 100% of tax due.
Replying requires a reconciliation statement, point-wise explanations, and supporting documents attached to Form ASMT-11 on the GST portal.
Common triggers include mismatches between GSTR-1 and GSTR-3B, discrepancies in Input Tax Credit (ITC) claims, e-way bill mismatches, and export data mismatches.
If your reply is accepted, the officer issues Form GST ASMT-12, closing the scrutiny proceedings. If unsatisfactory, further action under Section 65, 66, or 67 may follow.
What is a GST Scrutiny Notice (ASMT-10)?
A GST scrutiny notice is Form ASMT-10, issued by the proper officer under Section 61 of the CGST Act 2017 when the tax department selects your GST return for examination. The notice specifies the discrepancies found during scrutiny and asks you to explain them within 30 days.
Key Point: An ASMT-10 is not a demand notice. It is a request for clarification and supporting documents. Your response to this notice is critical—it determines whether the scrutiny closes or escalates to a formal audit.
Why GST Returns Are Selected for Scrutiny
The CBIC uses an automated risk-based system (RBS) to select returns for scrutiny. Common triggers include:
| Trigger | Reason |
|---|---|
| Mismatch between GSTR-1 and GSTR-3B | ITC claimed differs from turnover reported |
| High ITC as % of turnover | Excessive input credit claims |
| Discrepancy in e-way bills | E-way bill data doesn't match GSTR-1 entries |
| Export data mismatch | Export figures differ between GSTR-1 and GST return |
| Turnover mismatch vs Income Tax | GST and ITR turnover differ significantly |
| Cash discount variations | Unexplained discounts in monthly returns |
Timeline: 30 Days to Reply
The 30-day reply deadline is the most important deadline in the GST scrutiny process. Here is the official timeline:
| Event | Timeline |
|---|---|
| ASMT-10 issued | Date of issuance (check GST portal) |
| Reply deadline (ASMT-11) | 30 days from date of service |
| Extension possible | Upon request with valid reasons |
| Officer reviews reply | Within 30 days of receipt |
| ASMT-12 issued (if accepted) | Within 30 days from receipt of reply |
| Further action (if unsatisfactory) | Within 30 days from receipt of reply |
Critical: The 30-day window is NOT a soft guideline. After 30 days, the officer may proceed to determine tax under Section 73 or 74 without hearing your side of the story.
How to Track Your 30-Day Deadline
- Log in to the GST portal (gst.gov.in)
- Navigate to Services > Scrutiny > View Notice
- Locate your ASMT-10 notice and note the date of service
- Mark the 30-day deadline on your calendar
- Upload your ASMT-11 reply at least 5 days before the deadline to allow for technical delays
Common Discrepancies That Trigger Scrutiny
Most ASMT-10 notices cite one or more of these discrepancies:
| Discrepancy | What It Means | Common Cause |
|---|---|---|
| ITC Mismatch | Input Tax Credit claimed differs from what is shown in GSTR-2B (goods received matching) | Invoices claimed but not received; invoices rejected for technical reasons; ITC on purchases not matching supplier GSTR-1 |
| Turnover Mismatch | Total turnover in GSTR-1 does not match GSTR-3B or annual GST return | Data entry errors; double-invoicing; cancellation not recorded |
| E-way Bill Mismatch | Invoices in GSTR-1 do not have corresponding e-way bills, or quantities/values differ | Movement without e-way bill; quantity discrepancy between e-way bill and invoice |
| Export Mismatch | Export turnover in GSTR-1 (under 0% rate) does not match GSTR-1 filed by importer | Invoice not matched by overseas buyer; customs data differs |
| Tax Rate Discrepancy | Items classified under wrong tax rate (5%, 12%, 18%, 28% for GST 2.0) | Misunderstanding of goods classification; HSN code error |
| Supplier Discrepancy | Goods/services received from unregistered supplier | GST purchased from non-GST vendor; services from exempt supplier |
How to Prepare Your ASMT-11 Reply
Preparing a strong ASMT-11 reply involves three steps:
Step One: Reconcile Your Records
Create a reconciliation statement comparing your GST records with the discrepancy cited in ASMT-10:
Sample Reconciliation Statement Format:
| Item | GSTR-1 / GSTR-3B | GSTR-2B / Official Records | Difference | Reason |
|---|---|---|---|---|
| ITC Claimed (SGST) | 50,000 | 45,000 | +5,000 | Invoice dated 15-Aug; goods rejected on 20-Aug; credit reversed in Sept GSTR-3B |
| Inward Supply (Goods) | 100,000 | 95,000 | +5,000 | Two invoices for defective goods; cancellation credit memo issued in Sept |
| Export Turnover | 200,000 | 195,000 | +5,000 | One export order cancelled by buyer; refund issued; credit memo pending in GSTR-1 |
Key Point: Reconciliation is the heart of your ASMT-11 reply. It must explain every rupee of discrepancy.
Step Two: Gather Supporting Documents
Attach documentary evidence for each discrepancy:
- For ITC mismatches: Invoices, GSTR-2B extract, rejected invoice credit memos, payment vouchers
- For turnover mismatches: GSTR-1 extract, invoices, cancellation credit memos, ledger extracts
- For e-way bill mismatches: E-way bill copies, invoice copies, warehouse receipts, goods dispatch records
- For export mismatches: Export invoices, Shipping Bill copies, Bills of Entry, importer's invoice, email correspondence
- For tax rate discrepancies: HSN classification evidence, product photos, purchase order, supplier invoice
Document Format: PDF only. Compress large files. Name clearly (e.g., Invoice_INV2026080515.pdf).
Step Three: Draft Point-by-Point Explanation
Address each discrepancy in the ASMT-10 notice separately. Use the same heading or point number as in the notice:
Example Response Format:
Point 1 – ITC Mismatch of Rs. 5,000 (SGST)
Discrepancy Cited: Your GSTR-3B claims input credit of Rs. 50,000 (SGST), but GSTR-2B shows only Rs. 45,000.
Your Explanation: The difference of Rs. 5,000 relates to Invoice No. INV2026080515 dated 15-Aug-2026 from M/s Supplier XYZ for defective materials. We claimed ITC when the invoice was received. On 20-Aug-2026, the goods were rejected due to quality issues. We issued a credit memo on 30-Aug-2026 (Credit Memo No. CM080526). The reversal of ITC will be reflected in our September 2026 GSTR-3B filing. A copy of the credit memo and warehouse receipt of rejection is attached.
Key Tips for Drafting the Reply
| Tip | Explanation |
|---|---|
| Acknowledge the Notice | Reference the notice number (ARN) and date. This formally acknowledges receipt. |
| Address Each Point Separately | Use the same heading or point number as in the notice for each discrepancy. |
| Be Factual and Objective | Use clear bullet points and evidence tables. |
| Include Reconciliation Statements | A reconciliation statement is the heart of your reply. |
| Provide Documentary Evidence | Attach invoices, ledgers, bank statements, and other supporting documents. |
| Be Concise | The response must be brief and include proof from ledgers, invoices, and e-way bills. |
What Happens After You Reply?
The scrutiny process follows a defined timeline:
| Stage | Timeline |
|---|---|
| Issuance of ASMT-10 notice | Within the scrutiny schedule month |
| Reply by taxpayer (ASMT-11) | 30 days from ASMT-10 date |
| Issuance of ASMT-12 (if reply accepted) | Within 30 days from receipt of reply |
| Initiation of action under Section 73/74 (if no reply) | Within 15 days after the 30-day reply period |
| Initiation of action under Section 73/74 (if reply unsatisfactory) | Within 30 days from receipt of reply |
Possible Outcomes
| Outcome | Action |
|---|---|
| Reply accepted | Officer issues Form GST ASMT-12 closing the proceedings |
| Reply unsatisfactory | Officer may initiate action under Section 65 (Audit), 66 (Special Audit), or 67 (Inspection) |
| No reply | Officer may proceed to determine tax under Section 73 or 74 (tax demand) |
If the taxpayer's explanation is found acceptable, no further action is taken. However, if the taxpayer fails to justify discrepancies or fails to take corrective measures, the proper officer may initiate appropriate action.
Common Mistakes to Avoid
1. Ignoring the notice
ASMT-10 notices received on the portal may not generate an email alert. Log in and check regularly.
2. Missing the 30-day deadline
Late responses are treated as non-compliance. Mark the deadline on your calendar.
3. Filing an incomplete reply
A vague reply will not suffice. Attach reconciliation statements and supporting documents.
4. Not reconciling records
Compare the allegations with your records before drafting the reply.
5. Not paying admitted liability
If you accept the discrepancy, pay the admitted tax with interest under Section 50 (18% per annum).
6. Uploading incorrect documents
Attach only relevant documents in the correct format (PDF).
What Happens If You Miss the Deadline?
If you miss the deadline to reply to a GST scrutiny notice:
- The officer may pass an order on the existing record, which usually goes against the taxpayer
- A missed DRC-06 reply can confirm a demand
- A missed REG-18 reply can cancel registration
- File the reply immediately, then pursue any appeal or revocation route that remains open
Key Point: The 30-day window is not a soft guideline—it is the most dangerous deadline in GST compliance.
Where Tax Garden Helps
Replying to a GST scrutiny notice requires careful preparation of reconciliation statements, point-wise explanations, and supporting documents. A single mistake can lead to tax demands with 18% interest and penalties up to 100% of tax due.
Tax Garden's GST experts help you:
- Understand the ASMT-10 notice and identify the exact discrepancies
- Prepare reconciliation statements and supporting documents
- Draft a strong ASMT-11 reply addressing each point
- File the reply on the GST portal within the 30-day deadline
- Respond to any follow-up queries from the officer
Looking for expert help with GST scrutiny notice, ASMT-10 notice, GST scrutiny notice reply, GST notice reply format, GST ASMT-11 reply? The team at Tax Garden, based in Kondapur, Hyderabad, helps Indian SMEs stay compliant. End-to-end filings, notices, and deadline tracking, all in one place.
GST Scrutiny Notice Reply: Frequently Asked Questions
What is a GST scrutiny notice (ASMT-10)?
ASMT-10 is a scrutiny notice issued under Section 61 of the CGST Act 2017 when the tax department finds discrepancies in your GST returns during scrutiny. It is a request for explanation and supporting documents, not a demand notice.
What is the deadline to reply to a GST scrutiny notice?
The response must be submitted within 30 days from the date of service of the ASMT-10 notice. The officer may extend this period upon request. Verify the exact deadline on the GST portal.
Which form is used to reply to ASMT-10 notice?
The reply to an ASMT-10 scrutiny notice must be filed using Form ASMT-11 on the GST portal.
What are common triggers for GST scrutiny notices?
Common triggers include mismatches between GSTR-1 and GSTR-3B, discrepancies in Input Tax Credit (ITC) claims, e-way bill mismatches, export data mismatches, and differences between GST turnover and Income Tax records.
What happens if my ASMT-11 reply is accepted?
If the officer is satisfied with your explanation and supporting documents, they will issue Form GST ASMT-12, closing the scrutiny proceedings.
What happens if I don't reply to ASMT-10 notice?
If you fail to reply within 30 days, the officer may initiate action under Section 73 or 74 of the CGST Act, potentially leading to tax demands with 18% interest and penalties up to 100% of tax due.
Can I get an extension for filing ASMT-11 reply?
Yes. The proper officer may permit a further period beyond the 30-day deadline if you request an extension with valid reasons. It is always better to seek an extension in advance rather than filing late.
What documents should I attach with ASMT-11 reply?
Attach reconciliation statements (GSTR-1 vs GSTR-3B, GSTR-2B vs ITC claimed), invoice copies, ledger extracts, bank statements, DRC-03 challans (if any tax paid), and any other supporting documents relevant to the discrepancies.
Do I need to pay interest if I accept the discrepancy?
Yes. If you accept the discrepancy in your ASMT-11 reply, the admitted tax must be paid with interest under Section 50 (18% per annum) plus any applicable late fee. Paying promptly limits further interest.
Can Tax Garden help me with GST scrutiny notice reply?
Yes. Tax Garden's GST experts help you understand the notice, prepare reconciliation statements, draft a strong ASMT-11 reply, and file it on the GST portal within the deadline. Free consultation available.
Sources: CGST Act 2017, Section 61; CBIC Instruction No. 02/2023 dated 26-05-2023; NACIN Handbook for CGST Officers; GST portal (gst.gov.in); Vakilsearch; TaxGuru; Kanakkupillai; SMFG India Credit; NDTV Profit. Verify current rules, forms, and procedures on gst.gov.in before acting, as rules may be updated periodically. This article is general information on GST scrutiny notice reply and not a substitute for professional advice.
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