GST Show Cause Notice — Types, How to Respond and Avoid Penalties

GST Show Cause Notice — Types, How to Respond and Avoid Penalties

A GST Show Cause Notice (SCN) is the formal instrument through which the tax department asserts a claim against you — for tax not paid, ITC wrongly claimed, or a registration issue. In FY 2026-27 the GSTN's automated matching engine has made SCNs routine rather than exceptional. The difference between a notice that closes quietly and one that becomes a confirmed demand with interest and penalty is almost always procedural: did you read it carefully, reconcile honestly, and reply within time?

What a GST Show Cause Notice Actually Means — and Why 2026 Changed the Stakes

An SCN is not a demand order. It is an invitation — legally mandated under the principles of natural justice — for you to explain why the tax, penalty or action proposed by the department should not be confirmed. The order comes after your reply, not before. This distinction matters enormously: a well-documented reply can neutralise a prima facie demand entirely; a weak or late reply essentially concedes the department's case.

What changed in 2025-26 is the volume and precision of SCNs. CBIC has equipped the GSTN with continuous, real-time data triangulation across GSTR-1, GSTR-3B, GSTR-2B, e-invoice data, e-way bill records and the Annual Information Statement (AIS) from the Income Tax portal. The old world — where a departmental officer had to manually spot a mismatch — is gone. Today, a Rule 88C-style system intimation can land in your inbox within weeks of a mismatch arising, and escalate to a Section 73 SCN if you ignore it.

Every Type of GST Notice and What It Is Asking You to Do

Not every notice on the GST portal is a Show Cause Notice in the strict legal sense. Treating them all the same is one of the most common mistakes in practice. Here is a precise map.

DRC-01: The Core Tax-Demand Notice

DRC-01 is the formal SCN issued under Section 73 (non-fraud cases) or Section 74 (fraud, suppression, willful misstatement). It specifies the period under dispute, the amount of tax allegedly short-paid or ITC allegedly wrongly availed, the basis of the department's calculation, and the deadline by which you must file a reply. Your reply goes in Form DRC-06. This is the most consequential notice in the GST ecosystem — a confirmed DRC-01 becomes a demand order in DRC-07.

DRC-01A: Pre-Notice Intimation

Before a formal DRC-01 is issued, the proper officer may (though is not obligated to) serve a DRC-01A, communicating the ascertained tax liability. If you pay in full — tax plus interest — within 30 days of the DRC-01A, no formal SCN is issued and no penalty applies. This is the cheapest exit in the entire dispute lifecycle. Many businesses miss it because DRC-01A looks like a routine portal notification.

Rule 88C Intimations: DRC-01B and DRC-01C

These are system-generated alerts, not formal SCNs, but ignoring them is what creates the formal SCN.

• DRC-01B (Rule 88C): Triggered when the tax liability declared in your GSTR-1 (or IFF for quarterly filers) exceeds the tax paid through your GSTR-3B by more than the threshold notified by CBIC. You must either pay the difference through Form DRC-03 or provide an explanation within the prescribed time on the portal. If you do neither, the system flags the mismatch for adjudication.

• DRC-01C (Rule 88D): Triggered when the ITC claimed in your GSTR-3B exceeds the ITC available in your auto-populated GSTR-2B by more than the notified threshold. Same response options — pay via DRC-03 or explain in the portal response. Silence converts an intimation into a Section 73 proceeding.

Both rules represent CBIC's explicit policy of catching discrepancies before they compound. Think of DRC-01B and DRC-01C as yellow flags; DRC-01 is the red flag.

ASMT-10: Scrutiny of Return Under Section 61

Where a proper officer finds any discrepancy, error or information requiring clarification in a filed return, they issue ASMT-10. This is not a demand — it is a request for explanation. Your reply goes in Form ASMT-11, within the time specified in the notice (usually 15 days, extendable on request). A satisfactory ASMT-11 closes the scrutiny. An unsatisfactory one or a missed deadline leads to ASMT-12 (finalisation of assessment) and a possible DRC-01.

REG-17: Registration Cancellation Notice

Issued when the proper officer has reason to cancel your GSTIN — typically for non-filing of returns for a specified number of tax periods, non-commencement of business, or voluntary application anomalies. Reply in Form REG-18 within 7 working days. Missing this window results in REG-19 (cancellation order), after which supplies become illegal and ITC claims by your buyers are at risk.

ADT-01 and GST INS-01

ADT-01 is the notice for a departmental audit under Section 65. It gives you at least 15 working days' notice. GST INS-01 is the authorisation document for inspection or search under Section 67 — it arrives simultaneously with the officers at your premises. Both require a different response discipline (record preservation, cooperation protocols) than a paper-based SCN.

What Actually Triggers an SCN in FY 2026-27

Modern SCNs are almost never the result of a field officer's intuition. They originate from one of these automated comparisons:

• GSTR-1 vs GSTR-3B mismatch: Turnover or output tax liability in GSTR-1 is higher than in GSTR-3B for the same period → potential under-payment of tax → DRC-01B intimation first.
• GSTR-2B vs GSTR-3B ITC gap: ITC claimed in GSTR-3B exceeds ITC in GSTR-2B → excess credit availed → DRC-01C intimation first.
• E-invoice non-compliance: B2B supplies above the applicable turnover threshold are not backed by valid IRN (Invoice Reference Number) on the IRP → turnover suppression or ITC ineligibility risk.
• E-way bill vs GSTR-1 divergence: Goods movement shown in e-way bills does not match taxable supplies declared in GSTR-1 for the same period.
• AIS/TIS cross-match: Income credited in the Income Tax Annual Information Statement (AIS) substantially exceeds GST turnover declared for the same FY — classic trigger for Section 65 audit or DRC-01.
• GSTR-9 vs GSTR-3B aggregation: Annual return amendments made in GSTR-9 that were never paid through the annual reconciliation payment.
• Cancelled-supplier ITC: ITC claimed from vendors whose GSTIN was cancelled retrospectively or who filed nil returns despite billing you.

In FY 2026-27, scrutiny of FY 2022-23 and FY 2023-24 is running simultaneously. The 3-year window under Section 73 for FY 2022-23 closes around late 2026 (computed from the relevant date, typically the due date of the annual return), which is why you are seeing a surge in Section 73 SCNs right now.

Section 73 vs Section 74: The Distinction That Determines Your Penalty Exposure

The classification in the SCN is the department's initial view, not a binding determination. If you receive a Section 74 SCN for what was genuinely a data-entry error, you can and should contest the classification in your DRC-06 reply. Courts have consistently held that the department cannot invoke Section 74 without positive evidence of intent.

Practical tip for FY 2026-27: If you self-correct a mismatch before a DRC-01A or DRC-01 is issued — by filing an amendment return or paying through DRC-03 with interest — you eliminate penalty exposure under Section 73 entirely. Act on DRC-01B and DRC-01C intimations the moment they arrive.

Step-by-Step: How to Respond to a GST Show Cause Notice in DRC-06

Follow this sequence without shortcuts.

1. Read the entire notice on the GST portal. Note: the section invoked (73 or 74), the financial year and tax periods covered, the amount of tax alleged, the specific ground (e.g., excess ITC, turnover suppression), the reply deadline, and whether a personal hearing date is already scheduled.

1. Download all annexures. The SCN usually includes comparative GSTR-1/3B/2B data tables as annexures. Confirm these are complete.

1. Request an extension if needed. If the reply deadline is fewer than 15 days away and you need more time for reconciliation, submit a written extension request through the GST portal before the deadline, citing specific reasons. Extensions are discretionary but routinely granted in the first instance.

1. Reconcile systematically, period by period. Build a reconciliation workbook with columns: (a) amount per SCN, (b) amount per your books/returns, (c) difference, (d) reason for difference, (e) documentary evidence. Every rupee in the SCN must be accounted for.

1. Classify each item. Some items may be fully explainable (timing differences, reclassified turnover, ITC already reversed); others may have merit on the department's side. Concede what you must, contest what you can.

1. Build your legal argument. Cite the relevant provision of the CGST Act 2017, applicable CBIC circulars, GST Council decisions, High Court or Supreme Court rulings, and AAR/AAAR orders that support your position. Do not rely on bare assertions — the adjudicating officer needs to follow precedent.

1. File DRC-06 within the stipulated time. Log in to the GST portal → Services → User Services → My Applications → Reply to SCN → Select DRC-06. Attach the reconciliation, supporting documents (invoices, ledger extracts, bank statements, contracts), and your written submissions as a PDF. Keep the file size within the portal's permitted limit.

1. Attend the personal hearing. You will receive a notice of personal hearing (usually by email and on the portal). Attend in person or through an authorised representative under Form GST PCT-5 or a Letter of Authorisation. Oral arguments allow you to clarify facts that written submissions cannot fully convey.

1. Follow up and preserve all records. After the hearing, file any additional documents requested by the officer promptly. Keep a timestamped record of every communication — portal submissions, emails, acknowledgements.

Worked Example: From GSTR-2B Mismatch to Resolved DRC-01

Situation: A Bengaluru-based IT services firm (annual turnover Rs. 4.8 crore) receives a DRC-01 under Section 73 for FY 2023-24. The notice alleges excess ITC of Rs. 3,60,000 — the difference between GSTR-2B (Rs. 14,40,000 available) and GSTR-3B (Rs. 18,00,000 claimed).

Department's demand calculation in the SCN:

• Tax alleged short-paid: Rs. 3,60,000
• Interest at 18% p.a. for 540 days (from due date of GSTR-3B filing to SCN date): Rs. 3,60,000 × 18% × (540 ÷ 365) = approx. Rs. 95,670
• Penalty under Section 73 (payable if confirmed by order): 10% of Rs. 3,60,000 = Rs. 36,000
• Total exposure if order is confirmed: Rs. 4,91,670

What the reconciliation reveals:

• Rs. 2,10,000 of the gap: Three vendors filed their GSTR-1 for Q3 FY 2023-24 with a one-month delay. Their supplies appeared in the firm's GSTR-2B only in February 2024 (next quarter) rather than December 2023. The ITC was genuinely eligible — it just fell in the wrong period's GSTR-2B. Supported by: GSTR-2B for February 2024, invoices, vendor communication.
• Rs. 90,000 of the gap: A single vendor's GSTIN was cancelled in January 2024 with retrospective effect to November 2023. The firm was unaware at the time of claiming ITC. This portion is indefensible — ITC must be reversed per Section 16(2)(c).
• Rs. 60,000 of the gap: Pure data-entry error — the accounts team keyed CGST/SGST splits incorrectly, but total ITC was identical. Supported by ledger reconciliation.

Reply strategy:

• Contest Rs. 2,70,000 (Rs. 2,10,000 + Rs. 60,000) with documentary evidence — cite Circular No. 183/15/2022-GST and judicial precedents on GSTR-2B not being the sole criterion for ITC eligibility for the timing-difference portion.
• Concede Rs. 90,000, pay tax of Rs. 90,000 plus interest through DRC-03 before the order is passed to attract reduced penalty of 10% (Rs. 9,000) rather than risking the full Section 73 order.

Outcome: If the officer accepts the reply for Rs. 2,70,000 and confirms only the Rs. 90,000 conceded:

• Actual outflow: Rs. 90,000 (tax) + interest on Rs. 90,000 for the relevant period + Rs. 9,000 (10% penalty) ≈ Rs. 1,23,000 versus the opening Rs. 4,91,670 exposure.
• Saving through a timely, well-documented reply: over Rs. 3,68,000.

Common Mistakes That Convert Manageable SCNs Into Confirmed Demands

• Replying generically. A reply that says "the demand is not maintainable" without addressing each ground item-by-item is treated as no reply at all by most adjudicating officers.

• Confusing the DRC-01A with the DRC-01. The DRC-01A is your cheapest exit — paying at that stage attracts zero penalty. Missing it and waiting for DRC-01 costs you at minimum 10% penalty.

• Sending the wrong form. ASMT-10 requires ASMT-11, not DRC-06. REG-17 requires REG-18. Filing DRC-06 for an ASMT-10 notice is a procedural error that can delay your response being recorded.

• Missing the personal hearing without seeking an adjournment. An officer who holds a hearing and finds the taxpayer absent — without an application for adjournment — is legally within rights to pass an ex-parte order on the basis of available records.

• Conceding without verifying. The figures in the SCN are the department's computation, often from automated system reports that do not capture all the context your books contain. Reconcile before you concede a single rupee.

• Not preserving the working papers. If the matter goes to appeal, you need every reconciliation, every document, every communication timestamped and retrievable. A well-organised audit trail is not optional when the disputed amount exceeds Rs. 10 lakh.

• Ignoring the Section 74 classification. If you accept a Section 74 SCN without contesting the fraud characterisation, you implicitly accept that the higher penalty (up to 100% of tax) and the longer 5-year limitation window apply. Always challenge an unjustified Section 74 invocation.

Timelines, Demand Orders and the Appeal Route Under Section 107

Once you file DRC-06, the proper officer must provide a personal hearing (unless you waive it in writing) and then pass a speaking order. The order — issued in DRC-07 — states the tax confirmed, interest payable, and penalty levied.

Limitation for passing the demand order:

• Section 73 (non-fraud): The order must be issued within 3 years from the relevant date.
• Section 74 (fraud): The order must be issued within 5 years from the relevant date.

Note that this is the deadline for the order, not just the notice. SCNs issued late in the limitation window leave very little time for a fair process — if the timeline is tight, flag this in your DRC-06 reply.

If the DRC-07 order goes against you, you have three options:

1. Pay and close. If the amount is small and the legal position is weak, paying tax + interest + penalty under Section 73 at 10% ends the matter.

1. Appeal under Section 107 to the Appellate Authority (Commissioner/Additional Commissioner of Appeals). File within 3 months of the order date (3 months from date of communication, extendable to a further 1 month on sufficient cause). Pre-deposit requirement: 10% of disputed tax (subject to maximum limits as notified). The appeal stays the recovery of the remaining amount pending decision.

1. Further appeal to the GST Appellate Tribunal (GSTAT) once constituted and operational in your jurisdiction, or to the High Court on questions of law under Article 226/227.

Pre-deposit context: On a confirmed demand of Rs. 25,00,000 tax, the pre-deposit for filing a Section 107 appeal is Rs. 2,50,000 — a manageable outflow to contest the balance of Rs. 22,50,000 plus penalty and interest. If you have a reasonable legal argument, this is nearly always worth pursuing over making a full payment under protest.

Key Takeaways

• A GST Show Cause Notice is an invitation to explain, not a final demand. Your reply — and how early you act — determines the outcome.
• Act on DRC-01B and DRC-01C intimations immediately. Paying through DRC-03 at that stage eliminates penalty entirely under Section 73 and prevents a formal SCN from being issued.
• Section 73 vs Section 74 is not merely a technicality. The penalty differential is up to 10× — always contest an unjustified fraud classification.
• File DRC-06 with a ground-by-ground reply, not a blanket objection. Every rupee in the SCN must be addressed with a document, a legal citation, or a concession backed by DRC-03 payment.
• Attend every personal hearing. An ex-parte order is almost always worse than any negotiated outcome after a hearing.
• For FY 2022-23 and FY 2023-24, the adjudication window under Section 73 is closing in 2026 and 2027 respectively. Expect a surge in DRC-01 notices — build your reconciliation files now, before the notice arrives.
• If the order is adverse, appeal within 3 months with the 10% pre-deposit. A Section 107 appeal keeps the bulk of the demand in abeyance and preserves your legal rights for the Tribunal and High Court.