GST Notice Types Explained: ASMT-10, DRC-01, DRC-01A, DRC-01C

GST Notice Types Explained: ASMT-10, DRC-01, DRC-01A, DRC-01C
Getting a GST notice is unsettling, mostly because the form number itself doesn't tell you much. ASMT-10, DRC-01, DRC-01A, and DRC-01C all sound similarly bureaucratic, but they represent very different stages of scrutiny — some are routine, low-stakes intimations, and others formally initiate demand proceedings.
This guide breaks down what each notice actually means, what triggers it, how urgently you need to respond, and how they connect to one another in the broader GST compliance process.
Why Understanding the Notice Type Matters First
Before drafting any reply, the single most important thing is correctly identifying which notice you've received. Responding to a preliminary intimation the same way you'd respond to a formal show cause notice — or vice versa — wastes the limited response window and can weaken your position if the matter escalates. Each of these four notices sits at a different point in the compliance funnel, and the stakes rise significantly as you move from one to the next.
ASMT-10: Scrutiny Notice for Return Discrepancies
What it is: ASMT-10 is issued under Section 61 of the CGST Act when a GST officer identifies discrepancies during routine scrutiny of your filed returns — commonly mismatches between GSTR-1, GSTR-3B, and GSTR-2B/2A.
What triggers it: Inconsistencies such as sales reported in GSTR-1 not matching GSTR-3B, ITC claimed in GSTR-3B not aligning with GSTR-2B, or other return-level anomalies flagged during scrutiny.
How to respond: You must reply in Form ASMT-11, typically within 30 days (some notices specify 15 days — check the specific notice), explaining the discrepancy with supporting documents and reconciliations, or accepting the discrepancy and paying the shortfall voluntarily through Form DRC-03.
What happens next: If your explanation is accepted, the officer closes the matter by issuing Form ASMT-12. If the reply is unsatisfactory or absent, the matter can escalate into audit, investigation, or a formal show cause notice under DRC-01.
Why it matters: ASMT-10 is the cheapest, least confrontational stage at which to resolve a GST issue. There's no demand or penalty at this point — it's genuinely just a request for clarification. Responding thoroughly here is the best chance to avoid the situation escalating further.

DRC-01A: Pre-Show Cause Intimation
What it is: DRC-01A is an informal "soft notice" sent by the tax officer before a formal show cause notice is issued, giving the taxpayer a chance to settle voluntarily.
What triggers it: The officer has identified a probable tax liability (based on scrutiny, audit, or other findings) but is giving the taxpayer an opportunity to pay it voluntarily before formal proceedings begin.
How to respond:
If you agree with the liability, pay the tax and interest voluntarily through Form DRC-03. Paying at this stage often avoids penalty altogether.
If you disagree, submit a detailed response with supporting documents explaining why the liability doesn't apply.
What happens next: If the matter isn't resolved at this stage, the officer proceeds to issue a formal show cause notice in DRC-01, which carries a higher penalty exposure than settling voluntarily at the DRC-01A stage.
Why it matters: This is your best remaining opportunity to resolve an issue with minimal or zero penalty, before the matter becomes a formal legal proceeding.
DRC-01: Formal Show Cause Notice (SCN)
What it is: DRC-01 is a formal Show Cause Notice issued under Section 73 (non-fraud cases — genuine errors, omissions) or Section 74 (fraud, willful misstatement, or suppression of facts) of the CGST Act. Unlike ASMT-10, this notice formally initiates adjudication proceedings for recovery of unpaid tax, interest, and penalty.
What triggers it: An unresolved discrepancy from an earlier stage (ASMT-10 or DRC-01A), or a shortfall identified directly through audit or investigation, that the department has now decided to formally pursue.
How to respond: You must reply in Form DRC-06, addressing each specific allegation in the notice with facts, reconciliation statements, and supporting documents. You can also pay part of the demand voluntarily through DRC-03 while contesting the remainder.
What happens next: After considering your reply (and a personal hearing, if requested or required), the officer passes a final order. If the demand is confirmed, it's issued in Form DRC-07, which is appealable through Form APL-01 if you disagree with the outcome.
Why it matters: This is a significantly more serious stage than ASMT-10 — a confirmed demand under Section 73 attracts lower penalty exposure (typically around 10%) than under Section 74 (which can go up to 100%), making the quality and completeness of your DRC-06 reply critical.
DRC-01C: Automated ITC Mismatch Intimation (Rule 88D)
What it is: DRC-01C is a system-generated intimation issued under Rule 88D of the CGST Rules, specifically for cases where the Input Tax Credit claimed in GSTR-3B exceeds the ITC available in GSTR-2B by a threshold amount or percentage prescribed by the GST Council. It was introduced following the 50th GST Council meeting and notified via CGST Notification No. 38/2023.
What triggers it: An automated system comparison between the ITC you've claimed in GSTR-3B (Table 4) and what's actually reflected in your GSTR-2B for the same period, flagging cases where the gap crosses the departmental threshold.
How to respond: The intimation appears in Part A of Form DRC-01C, on the GST portal and via registered email. You have only 7 days to respond by either:
Paying the excess ITC along with applicable interest under Section 50, through Form DRC-03, or
Explaining the reason for the mismatch in Part B of the same form, with supporting documents if applicable
What happens if you ignore it: Non-compliance can result in your GSTR-1 or Invoice Furnishing Facility (IFF) being blocked for subsequent periods, in addition to the matter potentially escalating into formal demand and recovery proceedings under Section 73 or 74.
Why it matters: The 7-day response window is far shorter than ASMT-10 or DRC-01, and the consequence of inaction (a filing block) directly disrupts your ongoing compliance, not just the specific period in question. This makes DRC-01C one of the most time-sensitive notices to catch early — which usually means catching the ITC gap yourself, through monthly reconciliation, before the system flags it automatically.
Comparison Table: ASMT-10 vs. DRC-01A vs. DRC-01 vs. DRC-01C
Factor | ASMT-10 | DRC-01A | DRC-01 | DRC-01C |
|---|---|---|---|---|
Legal basis | Section 61, CGST Act | Rule 142(1A), CGST Rules | Section 73 or 74, CGST Act | Rule 88D, CGST Rules |
Nature | Scrutiny/clarification request | Informal pre-SCN intimation | Formal Show Cause Notice | Automated ITC mismatch intimation |
Trigger | Return discrepancies (GSTR-1/3B/2B mismatches) | Probable liability identified before formal SCN | Unresolved discrepancy or confirmed shortfall | ITC in GSTR-3B exceeds GSTR-2B beyond threshold |
Response form | ASMT-11 | Voluntary payment (DRC-03) or written reply | DRC-06 | Part B of DRC-01C, or payment via DRC-03 |
Response deadline | Typically 30 days (varies) | No fixed statutory deadline, but prompt action advised | 30 days from service | 7 days |
Penalty at this stage | None | Often avoidable if paid voluntarily | Yes, if demand is confirmed | Avoidable if resolved within 7 days |
Escalates to | DRC-01 (if unresolved) | DRC-01 (if unresolved) | DRC-07 (final demand order) | Demand proceedings under Sec 73/74 if ignored |
Automation level | Manual/officer-initiated scrutiny | Officer-initiated | Officer-initiated | Fully system-generated |
Key risk of ignoring | Escalation to audit/DRC-01 | Escalation to formal SCN with higher penalty | Confirmed demand, appeal required | GSTR-1/IFF filing block |
How These Notices Connect: The Escalation Path
These four notices aren't isolated — they typically sit along an escalation path:
DRC-01C (automated, ITC-specific) or ASMT-10 (manual scrutiny) — the first point of contact, generally low-stakes if handled promptly
DRC-01A — an informal warning before formal proceedings, giving one more chance to settle voluntarily
DRC-01 — formal show cause notice, now a legal proceeding requiring a structured, evidence-backed reply
DRC-07 — final demand order, if the matter isn't resolved through the DRC-01 reply
The further down this path a matter progresses, the higher the penalty exposure and the more formal the process becomes. Every stage before DRC-01 exists specifically to give the taxpayer a lower-cost way to resolve the issue.
Common Mistakes When Responding to These Notices
Missing the response deadline, especially the 7-day window for DRC-01C, which is far shorter than most people expect
Replying without reconciling first — a reply drafted before comparing GSTR-1, GSTR-3B, GSTR-2B, and books of accounts is likely to be incomplete or inconsistent
Treating an informal intimation (DRC-01A) as optional — ignoring it removes the option to settle at a lower penalty
Submitting a generic reply instead of addressing each specific discrepancy point-by-point with supporting documentation
Not consulting a professional for formal notices — routine ASMT-10 or DRC-01C matters can often be self-handled, but DRC-01 notices under Section 74 (fraud allegations) typically warrant professional representation
Why Most of These Notices Are Preventable
Nearly every notice type covered here — ASMT-10, DRC-01A, DRC-01, and especially DRC-01C — traces back to the same root cause: an unreconciled gap between GSTR-1, GSTR-3B, and GSTR-2B that went unnoticed until the department's system caught it. Monthly reconciliation, done before filing rather than after receiving a notice, is what keeps these gaps from reaching the department's radar in the first place.
Final Thoughts
Not every GST notice is a crisis — ASMT-10 and DRC-01A are designed as low-stakes opportunities to fix a genuine error before it escalates. DRC-01 and a confirmed demand under it are a different matter entirely, requiring a properly documented, point-by-point reply. Knowing exactly which notice you've received, and how urgently it needs a response, is the first and most important step in handling it correctly.
Frequently Asked Questions
Q:What is the difference between ASMT-10 and DRC-01?
ASMT-10 is a preliminary scrutiny notice asking you to explain or correct discrepancies, with no demand or penalty at that stage. DRC-01 is a formal Show Cause Notice that initiates legal adjudication proceedings for recovery of tax, interest, and penalty.
Q:How many days do I have to respond to a DRC-01C notice?
Only 7 days from the date of the intimation. This is significantly shorter than the response window for ASMT-10 or DRC-01, which is typically 30 days.
Q:What happens if I ignore a DRC-01C notice?
Your GSTR-1 or Invoice Furnishing Facility (IFF) filing can be blocked for subsequent periods, and the matter can escalate into formal demand and recovery proceedings under Section 73 or 74 of the CGST Act.
Q:Is DRC-01A a mandatory notice I have to respond to?
While DRC-01A is technically an informal intimation rather than a formal legal notice, ignoring it removes your opportunity to settle the matter voluntarily at a lower penalty before a formal show cause notice under DRC-01 is issued.
Q:Can I avoid penalty if I pay before receiving DRC-01?
Often, yes. Paying the tax and interest voluntarily during the ASMT-10 or DRC-01A stage, through Form DRC-03, frequently avoids penalty altogether or significantly reduces it compared to settling after a formal DRC-01 is issued.
Q:What is the difference between Section 73 and Section 74 notices?
Section 73 applies to genuine errors or omissions without fraud, and generally carries lower penalty exposure. Section 74 applies to cases involving fraud, willful misstatement, or suppression of facts, and carries significantly higher penalties, up to 100% of the tax amount.
Q:Why is DRC-01C specifically about ITC and not other discrepancies?
DRC-01C was introduced under Rule 88D specifically to automate detection of cases where ITC claimed in GSTR-3B exceeds what's available in GSTR-2B, since this particular mismatch is common, systemic, and detectable through automated comparison of the two returns.
Q:Do I need a CA to respond to these notices?
Routine ASMT-10 or DRC-01C matters, especially where the discrepancy is minor and easily explained, can often be handled directly. Formal DRC-01 notices, particularly those issued under Section 74, typically warrant professional representation given the higher penalty stakes and procedural complexity.
Q:How can I avoid receiving these notices in the first place?
Consistent monthly reconciliation between GSTR-1, GSTR-3B, and GSTR-2B — done before filing rather than after a notice arrives — addresses the root cause behind most of these notices, since they're almost always triggered by an unresolved mismatch between what was reported and what was claimed.
Q:What form do I use to reply to each notice?
ASMT-10 is answered via Form ASMT-11; DRC-01A is typically settled via Form DRC-03 or a written reply; DRC-01 is answered via Form DRC-06; and DRC-01C is answered via Part B of the same DRC-01C form, or resolved through Form DRC-03.