GST Compliance Checklist for Businesses

Quick Answer

GST compliance in India centres on monthly or quarterly return filing (GSTR-1, GSTR-3B), annual return (GSTR-9), ITC reconciliation (GSTR-2B), and E-way bill generation for goods movement. Late filing attracts late fees and 18% interest on unpaid tax.

Monthly obligations

• GSTR-1 (outward supplies) by the 11th of the next month or quarter.
• GSTR-3B (summary return + payment) by the 20th of the next month.
• GSTR-2B is auto-generated on the 14th; no filing required but used to reconcile ITC.

Annual

• GSTR-9 annual return by 31 December of the next financial year.
• GSTR-9C reconciliation statement for turnover > ₹5 crore.

Common pitfalls

• Missing the GSTR-1 11th deadline and attracting a ₹50/day late fee (₹20 for NIL).
• Failing to reconcile GSTR-2B with books and claiming excess ITC.
• Generating E-way bills at the wrong time (must be before movement).

Next steps

Use our GSTR-2B reconciliation tool, or talk to our team for monthly compliance outsourcing.

When this guide applies

Use this guide when you need a practical, plain-English explanation of the topic for an Indian business or taxpayer. We assume you already know the basics of Indian taxation and compliance — this guide focuses on the specific situations, deadlines, and pitfalls that matter in real filings.

Step-by-step process

1. Confirm the trigger event — turnover threshold, registration requirement, or compliance deadline that brings this topic into scope for your business.
2. Gather the documents you need (PAN, Aadhaar, GSTIN, bank statements, or the specific records called out in the linked forms).
3. File or register through the official portal (income tax e-filing, MCA, GST, FSSAI, or the relevant regulator). Keep acknowledgement numbers.
4. Pay any fee or tax due. Note the challan reference for your records.
5. Track the SLA — most approvals arrive in 3-30 working days; escalate through the regulator’s grievance portal if delayed.

Common pitfalls

• Filing after the due date without paying the late fee — penalty compounds per month under Section 234F for ITR, per return period for GST.
• Using the wrong ITR form or business code — leads to defective return notice under Section 139(9) and a fresh round of filing.
• Ignoring state-specific requirements (professional tax, shop & establishment, state GST registration) when operating across multiple states.

When to escalate

Talk to an expert if the situation involves cross-border transactions, notice from the department, or disputed turnover. Self-filing works for the routine cases but escalates quickly once a notice arrives.

Next steps

For a personalised check, use our eligibility wizards and free code search tools. To file end-to-end, see the linked service pages on FinTax24.