GST Annual Return (GSTR-9) Calculator

Calculating late fee exposure for delayed GSTR-9 filing to prioritise timely compliance.

Reconciling ITC discrepancies between GSTR-3B and GSTR-2B to compute excess ITC to be reversed.

Identifying under-reported taxable supplies from monthly returns to be corrected in GSTR-9 with interest.

Preparing GSTR-9C reconciliation statement for turnover above ₹5 crore businesses.

Planning GST calendar: ensuring monthly GSTR-1 and GSTR-3B compliance reduces GSTR-9 reconciliation burden.

Who must file GSTR-9 annual return?

All registered GST taxpayers with aggregate annual turnover above ₹2 crore must file GSTR-9. Certain categories are exempted: taxpayers opting for the Composition Scheme (file GSTR-9A instead), Input Service Distributors (ISD), Non-Resident Taxable Persons, CSD (Canteen Stores Department), and those paying TDS/TCS. Taxpayers with turnover below ₹2 crore are exempt from GSTR-9 but may file voluntarily.

What is the due date for GSTR-9?

GSTR-9 must be filed by December 31 of the year following the relevant financial year. For FY 2023-24, GSTR-9 is due by December 31, 2024. The government sometimes extends this deadline through notifications, and amnesty schemes for late filers are periodically announced. Check the GST portal for current due dates and any extensions.

What is GSTR-9C and who must file it?

GSTR-9C is a reconciliation statement between the GSTR-9 annual return and the audited annual accounts. It must be filed by taxpayers with aggregate annual turnover above ₹5 crore. It is self-certified by the taxpayer (from FY 2021-22 onwards, CA certification is optional — taxpayer can self-certify). It reconciles: turnover, ITC, tax paid, and provides explanations for differences.

Can I correct errors in GSTR-1 and GSTR-3B through GSTR-9?

Yes. GSTR-9 is the annual reconciliation opportunity to correct errors made in monthly returns. Under-reported supplies can be reported additionally in GSTR-9 (with additional tax and interest). Excess ITC claimed in GSTR-3B (which is not available in GSTR-2B) can be reversed through GSTR-9. However, GSTR-9 cannot reduce taxes already paid in excess in monthly returns — those require a separate refund application.

What is the late fee for GSTR-9?

Late fee for GSTR-9 is ₹200 per day (₹100 CGST + ₹100 SGST). It is capped at 0.25% of the aggregate annual turnover in the relevant state. For small businesses with turnover below ₹5 crore, the government has frequently waived or reduced late fees through amnesty schemes. Check current notifications on the GST portal.

What is GSTR-2B and why is it important for GSTR-9?

GSTR-2B is an auto-generated monthly ITC statement showing the input tax credit available based on suppliers' filed GSTR-1s. It is the reference for verifying ITC claimed in GSTR-3B. For GSTR-9, the ITC reconciliation compares: ITC claimed in GSTR-3B vs ITC available in GSTR-2B vs ITC as per books. Discrepancies must be explained and excess ITC reversed with interest.

Can I amend GSTR-9 after filing?

Once GSTR-9 is filed, it cannot be revised or amended. Any subsequent corrections must be made through a GST demand/payment process or by filing for an advance ruling. This makes it critical to review and reconcile all data carefully before filing. Multiple reconciliation checks are recommended: turnover reconciliation, ITC reconciliation, and tax payment reconciliation.

What happens if I don't file GSTR-9?

Non-filing of GSTR-9 leads to: late fees accumulating at ₹200/day until filed (capped at 0.25% of turnover), potential GST notice for non-compliance, blocking of e-way bill generation (if in default), and possible scrutiny assessment by GST officer. Additionally, you cannot file GSTR-9 for the next financial year without clearing the previous year's pending filing.