GST notices explained: what each one means and how to respond
A GST notice is not automatically bad news — most are routine requests for a return, a clarification or a small correction. What matters is reading it correctly, replying in the right form, and doing so before the deadline. This guide decodes the common notices so a message on the portal does not turn into panic.
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A notice is a question, not a verdict
When a GST notice appears on the portal, the instinct is to worry. In reality, the great majority are procedural: the department wants a pending return filed, a document clarified, or a mismatch between two of your returns explained. A notice is the system asking you a question — and you almost always have a defined way and a defined window to answer.
Notices are grouped by the stage they relate to: registration (the REG series), returns and scrutiny (GSTR-3A, ASMT-10), and demands (the DRC series). Each has its own reply form and deadline, printed on the notice itself. This guide walks through the common ones and how to respond. When you would rather hand it over, our GST notice reply service drafts and files the response for you; confirm forms and timelines on gst.gov.in.
The REG series
These relate to your registration — getting one, amending it, or the department proposing to cancel it:
- REG-03 — clarification or documents sought on a registration application (new or amendment). Reply in REG-04 within 7 working days. A prompt, complete reply keeps the application moving; ignoring it can lead to rejection.
- REG-17 — a show-cause notice proposing cancellation of your registration, often triggered by non-filing. Reply in REG-18 within 7 working days. Frequently the fix is simply filing the missing returns. We cover this fully in GST cancellation vs suspension.
The theme with registration notices is speed: the windows are short, so act the day the notice lands rather than waiting.
GSTR-3A and ASMT-10
These are the notices most ordinary taxpayers encounter, and both are usually straightforward to resolve:
- GSTR-3A — a non-filing notice for an overdue return (GSTR-1, GSTR-3B, GSTR-4 or GSTR-8). It asks you to file, generally within 15 days. The response is usually just to file the pending return with any late fee and interest — see GST late fees and interest.
- ASMT-10 — a scrutiny notice under Section 61 flagging discrepancies in your returns, such as a GSTR-1 versus GSTR-3B gap or a credit versus GSTR-2B mismatch. Reply in ASMT-11 within 30 days, either explaining the discrepancy with evidence or paying the difference. Good reconciliation habits prevent most of these; see GSTR-1 vs GSTR-3B.
Most scrutiny notices close on explanation
An ASMT-10 does not mean you owe money — it means the figures need explaining. A clear, document-backed ASMT-11 that reconciles the difference usually closes the matter without a demand.
The DRC series
Demand notices carry real financial stakes, so they deserve careful, timely handling:
- DRC-01A — a pre-show-cause intimation (Rule 142(1A)) of tax the department has ascertained. You can pay through DRC-03 or explain your position in Part B. Responding here can head off a formal notice.
- DRC-01 — a show-cause notice for a demand under Section 73 or 74 (Section 74A for later periods). Reply in DRC-06 within 30 days. Under Section 73, paying the tax with interest before the notice, or within 30 days of it, generally avoids penalty; Section 74 fraud cases carry higher penalties.
The key with a DRC notice is not to let the 30-day window slip. Even if you dispute the demand, a reasoned reply preserves your position far better than silence, which lets an order be confirmed against you.
Common notices at a glance
| Notice | What it means | Reply & deadline (indicative) |
|---|---|---|
| REG-03 | Clarification sought on registration | REG-04, 7 working days |
| REG-17 | Proposed cancellation of registration | REG-18, 7 working days |
| GSTR-3A | Return not filed | File the return, ~15 days |
| ASMT-10 | Discrepancy found in scrutiny | ASMT-11, ~30 days |
| DRC-01A | Pre-notice intimation of tax ascertained | DRC-03 or reply in Part B |
| DRC-01 | Show-cause notice for demand | DRC-06, ~30 days |
Always read the deadline on the notice itself
The figures above are indicative. The binding deadline is the one stated on your notice. Note it the moment the notice arrives, and confirm the current position on the portal.
How to respond — and what we can and cannot do
Reply, on time, in the right form — that is most of the battle
The single biggest mistake is doing nothing. Ignoring a notice generally results in an order being passed against you — a registration cancelled, a demand confirmed, a penalty levied — without your side ever being heard. Even when you dispute the position, a timely, reasoned reply protects you far better than silence.
We are documentation and compliance facilitators, not the adjudicating authority. We cannot dictate the officer's decision, and we will not promise a particular outcome. What we do is read the notice properly, work out what it genuinely requires, assemble the supporting evidence, and draft and file the reply in the correct form within the deadline — which is exactly what tips most routine notices toward a clean close.
If a notice has arrived, send us a copy and your GSTIN. We will tell you plainly what it means, what it needs, and a fixed quote before we act — and if the honest answer is "just file the pending return", we will tell you that too.
The bottom line
There are two ways forward from here: bookmark this page and handle each step yourself, or send one WhatsApp message and have our team carry it. Either way you now know exactly what should happen — which is how we like our clients: informed.
GST notice questions
What is a GSTR-3A notice?
What is an ASMT-10 notice?
What is a DRC-01 notice?
What is DRC-01A?
What is a REG-03 notice?
How long do I have to reply to a GST notice?
What happens if I ignore a GST notice?
Can I avoid penalty by paying before the show-cause notice?
Can you reply to a GST notice on my behalf?
Got a notice on the portal? Send it to us
Forward a copy of the notice with your GSTIN. We will tell you in plain words what it means, what it needs and by when — then draft and file the correct reply within the deadline, with a fixed quote before we start.