What is GSTR-9 annual return?

GSTR-9 is the annual return for GST registered taxpayers (except composition dealers who file GSTR-9A). It is a consolidation of all monthly/quarterly GSTR-1 and GSTR-3B returns filed during the financial year. GSTR-9 is due by December 31 of the following financial year. Mandatory for taxpayers with turnover above Rs 2 crore. For Rs 5 crore+ turnover, GSTR-9C (reconciliation statement) certified by CA is also required.

How to reconcile GSTR-1 with GSTR-3B?

To reconcile GSTR-1 with GSTR-3B: Download GSTR-1 summary and GSTR-3B summary for each month. Compare total outward taxable supplies, zero-rated supplies, exempt supplies, and total tax liability. Any difference could be due to: Invoices reported in GSTR-1 but tax not paid in GSTR-3B, credit notes adjustments, amendments, or data entry errors. Differences should be corrected through amendments or additional tax payments to avoid GSTR-9 notices.

What is the penalty for GSTR-9 non-filing?

Penalty for GSTR-9 non-filing: Late fee of Rs 200 per day (Rs 100 CGST + Rs 100 SGST) subject to a maximum of 0.25% of turnover in the state. Interest at 18% per annum on any additional tax liability identified. If GSTR-9C is required and not filed, additional penalties apply under Section 125. It is important to file GSTR-9 even after the due date to avoid accumulation of late fees.

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✅ Free Tool — No Login Required

GST Annual Return Reconciliation — GSTR-1 vs GSTR-3B vs Books

Reconcile GST returns before GSTR-9 filing. Identify mismatches, calculate liability and get action checklist.

GSTR-9 Due Date: December 31. Mandatory above ₹2 crore turnover. Mismatch = 18% interest + penalty. Reconcile before filing to avoid notices.

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GST Annual Return Reconciliation Tool

Reconcile GSTR-1 vs GSTR-3B vs GSTR-9 — find mismatches before filing

📋 How to use: Enter annual totals from your GSTR-1 (invoices filed), GSTR-3B (tax paid), and books of accounts. The tool identifies mismatches and generates corrective action checklist for GSTR-9 filing.

📄 GSTR-1 (Invoices Filed)

Taxable Outward Supplies (B2B)

₹

Taxable Outward Supplies (B2C)

₹

Zero Rated / Export Supplies

₹

Exempt Supplies

₹

Total Tax (IGST + CGST + SGST)

₹

Credit Notes Issued

₹

Total Supply: ₹0

📊 GSTR-3B (Tax Paid)

Outward Taxable Supplies Declared

₹

Zero Rated Supplies

₹

Exempt Supplies

₹

Tax Paid via Cash Ledger

₹

Tax Paid via ITC

₹

ITC Claimed (total)

₹

Total Tax Paid: ₹0

📚 Books of Accounts

Actual Turnover (as per books)

₹

Actual Tax Liability (as per books)

₹

ITC as per Purchase Register

₹

ITC Available in GSTR-2B

₹

ITC as per auto-populated GSTR-2B from supplier filings

Advances Received (not yet invoiced)

₹

Pending Credit Notes (not yet issued)

₹

Books Turnover: ₹0

GST Reconciliation — Common Mismatches & Fixes

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GSTR-1 vs GSTR-3B

Supply reported in GSTR-1 but tax not paid in GSTR-3B — additional tax liability. Tax paid in 3B but supply not in GSTR-1 — amendment needed. Differences must be explained in GSTR-9.

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ITC Mismatch (2A vs 3B)

ITC claimed in GSTR-3B must not exceed ITC available in GSTR-2B (auto-populated from supplier GSTR-1). Excess ITC claimed = reverse with interest 24% p.a. Unclaimed ITC in books = can be claimed in annual return.

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Turnover Mismatch

Difference between books turnover and GSTR-1 could be due to advances, credit notes, RCM supplies, or timing differences. Each difference must be explained with a reason in GSTR-9 Table 9 or 10.

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Amendments in GSTR-9

Additional outward supply not declared in 3B — declare in GSTR-9 Table 10. ITC reversed in annual return — Table 12. Additional ITC from missed invoices — Table 13. Late fees, interest auto-calculated on additional liability.

✅ Why Use This Calculator

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3-Way Recon

GSTR-1, GSTR-3B and books compared.

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Mismatches

Exact differences identified.

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Checklist

Action items before GSTR-9 deadline.

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Liability

Additional tax from mismatches calculated.

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On Time

Use before December 31.

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100% Private

No data stored. Runs in your browser.

❓ Frequently Asked Questions

What is GSTR-9?+

Annual consolidated return. Due December 31. Mandatory above ₹2 crore.

Penalty for GSTR-9 non-filing?+

₹200/day maximum 0.25% of turnover. Plus 18% interest on additional liability.

Reconcile GSTR-1 vs GSTR-3B?+

Compare outward supplies in both. Common issue: invoices in GSTR-1 but tax unpaid in 3B.

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