GST Return Due Dates FY 2025-26: Complete Calendar
Every GSTR-1, GSTR-3B, CMP-08 and GSTR-9 due date for FY 2025-26 — for monthly, QRMP and composition taxpayers.
Missing a GST return due date triggers a ₹50/day late fee (₹20/day for nil returns) plus 18% annual interest on tax due. Here is the complete FY 2025-26 calendar so you never miss a deadline.
Monthly filers (turnover above ₹5 Cr)
- GSTR-1 — 11th of the next month
- GSTR-3B — 20th of the next month
- GSTR-5/5A (non-resident / OIDAR) — 20th
- GSTR-6 (ISD) — 13th
- GSTR-7/8 (TDS/TCS) — 10th
QRMP scheme (turnover up to ₹5 Cr)
- IFF (optional B2B invoices) — 13th of month 1 & month 2 of the quarter
- GSTR-1 (quarterly) — 13th of the month following the quarter
- GSTR-3B (quarterly) — 22nd or 24th (state-wise) of the month following the quarter
- PMT-06 challan — 25th of months 1 & 2
Composition dealers
- CMP-08 — 18th of the month following the quarter
- GSTR-4 (annual) — 30th June 2026
Annual returns
- GSTR-9 (turnover > ₹2 Cr) — 31st December 2026
- GSTR-9C (turnover > ₹5 Cr) — 31st December 2026
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