GST Notice and Non-Compliances: Common Pitfalls and Implications

Most GST disputes do not begin with an audit. They begin with a GST notice - a scrutiny query in ASMT-10, a show cause in DRC-01, a registration query in REG-03 - issued because something in the filings did not reconcile. Knowing which non-compliance triggers which notice is the difference between a reply that closes the matter and one that escalates it.

The Goods and Services Tax (GST) regime was implemented to simplify India’s indirect tax system and promote compliance through transparency and digital monitoring. However, GST compliance is multi-layered, and even minor oversights can lead to penalties, credit reversals, or prosecution. This blog highlights key compliance obligations under GST and outlines the consequences of non-compliance to help businesses mitigate avoidable risks.

Registration

• Obligation: Taxpayers must obtain GST registration once their aggregate turnover exceeds prescribed thresholds limit. Registration is mandatory for those making inter-State supplies, e-commerce operators, and suppliers through e-commerce platforms under Section 24. Casual and non-resident taxable persons must also register irrespective of turnover.
• Consequences: Failure to obtain registration or undertaking a business without registration attracts penalties under Section 122 of the Act, amounting to INR 10,000 or 10% of the tax due, whichever is higher.

Timely Filing of Returns

• Obligation: Registered taxpayers must file GST returns within prescribed timelines - GSTR-1 by the 11th of the succeeding month (or 13th of the succeeding month of the quarter for QRMP), GSTR-3B by the 20th of the succeeding month (or 22nd for Category A State/UT and 24th for Category B State/UT of the succeeding month of the quarter for QRMP), and the annual return (GSTR-9) by 31st December following the end of the financial year.
• Consequences: Late filing attracts a fee of INR 50 per day, subject to maximum of INR 5,000, under Section 47 of the Act and for annual return, 0.25% of turnover in the States/UT. Interest at 18% under Section 50 of the Act, computed from the day after the due date till payment, and Prolonged default may also lead to suspension of registration.

Accurate Invoicing and Classification

• Obligation: Taxpayers must issue valid tax invoices with correct HSN/SAC codes, GSTIN, and applicable tax rates for every taxable supply.
• Consequences: Errors in invoicing or misclassification may result in penalties under Section 122 of the Act, amounting to INR 10,000 or 10% of the tax due, whichever is higher, and ITC disallowance to the recipient and potential scrutiny by the department. For a response, use the GST notice reply letter format in Word.

Input Tax Credit (ITC) Compliance

• Obligation: ITC can be claimed only on eligible inputs, input services, and capital goods supported by valid tax invoices and duly reflected in GSTR-2B. Credits blocked under Section 17(5) of the Act or used for personal or exempt supplies must not be availed. Where inputs or services are partly used for exempt or non-business purposes, proportionate reversal under Rule 42 or Rule 43 is mandatory.
• Consequences: Incorrect or fraudulent ITC claims attract demand, interest, and penalty under Section 74 of the Act. Non-reversal of ineligible ITC leads to additional tax liability with 18% interest from the date of wrong availment till the date of payment/reversal.

E-Way Bill Compliance

• Obligation: As per Rule 138 of the CGST Rules, an e-way bill must be generated for the movement of goods valued above INR 50,000, whether for intra-State or inter-State supplies, including for sales, stock transfers, or job work.
• Consequences: Transporting goods without a valid e-way bill may lead to detention or seizure under Section 129 of the Act, with penalties up to 200% of the tax payable in case of taxable goods, or 2%–5% of the value of such goods or INR 25,000, whichever is less for exempt goods.

Display Requirements

• Obligation: Businesses must display their GST registration certificate and GSTIN at every registered premises.
• Consequences: Failure to display or issuing invoices from unregistered premises attracts general penalty under Section 125 of the Act, up to INR 10,000. Persistent lapses may also lead to administrative suspension of registration.

Which non-compliance triggers which GST notice

Returns not filed, or filed late: a notice in GSTR-3A. A mismatch between GSTR-1, GSTR-3B and the credit appearing in the recipient's GSTR-2B: scrutiny of returns under ASMT-10. Input tax credit claimed on an ineligible or unmatched invoice: a demand raised under DRC-01. Registration particulars incomplete or unverified: a query under REG-03. An e-way bill absent or expired while goods are in transit: detention proceedings under MOV-06 and MOV-07.

Replying to a GST notice

Every GST notice states a response window, and a reply is judged on whether it engages with the specific discrepancy raised - not on its length. Identify the exact reconciliation the officer is pointing at, answer that, and cite the section, rule or CBIC circular that supports the position. A reply that restates general compliance without addressing the flagged difference usually produces a second, narrower notice rather than closing the first.

Where the underlying position is genuinely arguable, say so and support it. Where it is a reporting error, correct it and show the correction. The costly outcome is neither of those - it is a mismatch left unexplained until it compounds across periods into a demand with interest and penalty attached.

Note:

• The Act refers to CGST/SGST Act 2017.
• Fee, Interest and penalties are charged separately under CGST and SGST Acts.

Disclaimer:

The information contained in this document is for information purposes only. In no way, this document should be treated as advice. Please reach out to us or your consultants for undertaking detailed analysis.

This author will not be liable for any loss or damage caused by the reader's reliance on information obtained through this report. The contents are provided for your reference only.

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