Compliance
Tax Due Date Calendar — FY 2026-27
April 2026 – March 2027 · India · ITR, GST, TDS, Companies Act & LLP
5 compliance dates due within the next 30 days
April 2026
Apr
GSTR-1 (Monthly) — March 2026
Monthly outward supply return for taxpayers with turnover > ₹5 Cr or opted out of QRMP.
March 2026
Apr
GSTR-3B — March 2026 (>5 Cr)
Monthly summary return and tax payment for taxpayers with aggregate turnover > ₹5 Cr.
March 2026
Apr
GSTR-3B — March 2026 (≤5 Cr, Cat I)
Taxpayers in states Cat I (≤5 Cr) — GSTR-3B due by 22nd.
March 2026
Apr
GSTR-3B — March 2026 (≤5 Cr, Cat II)
Taxpayers in states Cat II (≤5 Cr) — GSTR-3B due by 24th.
March 2026
May 2026
May
GSTR-1 (Monthly) — April 2026
Monthly outward supply return for April 2026.
April 2026
May
GSTR-3B — April 2026 (>5 Cr)
Monthly summary return for taxpayers with turnover > ₹5 Cr.
April 2026
June 2026
Jun
GSTR-1 (Monthly) — May 2026
Monthly outward supply return for May 2026.
May 2026
Jun
GSTR-3B — May 2026 (>5 Cr)
Monthly summary return and tax payment for May 2026 (>₹5 Cr turnover).
May 2026
Jun
GSTR-4 (Composition) — FY 2025-26
Annual return for composition taxpayers for the full year FY 2025-26.
FY 2025-26
July 2026
Jul
GSTR-1 (Monthly) — June 2026
Monthly outward supply return for June 2026.
June 2026
Jul
GSTR-3B — June 2026 (>5 Cr)
Monthly summary return and tax payment for June 2026.
June 2026
August 2026
Aug
GSTR-1 (Monthly) — July 2026
Monthly outward supply return for July 2026.
July 2026
Aug
GSTR-3B — July 2026 (>5 Cr)
Monthly summary return and tax payment for July 2026.
July 2026
September 2026
Sept
GSTR-1 (Monthly) — August 2026
Monthly outward supply return for August 2026.
August 2026
Sept
GSTR-3B — August 2026 (>5 Cr)
Monthly summary return and tax payment for August 2026.
August 2026
October 2026
Oct
GSTR-1 (Monthly) — September 2026
Monthly outward supply return for September 2026.
September 2026
Oct
GSTR-3B — September 2026 (>5 Cr)
Monthly summary return and tax payment for September 2026.
September 2026
November 2026
Nov
GSTR-1 (Monthly) — October 2026
Monthly outward supply return for October 2026.
October 2026
Nov
GSTR-3B — October 2026 (>5 Cr)
Monthly summary return and tax payment for October 2026.
October 2026
December 2026
Dec
GSTR-1 (Monthly) — November 2026
Monthly outward supply return for November 2026.
November 2026
Dec
GSTR-3B — November 2026 (>5 Cr)
Monthly summary return and tax payment for November 2026.
November 2026
Dec
GSTR-9 & 9C Annual Return — FY 2025-26
Annual GST return (GSTR-9) and reconciliation statement (GSTR-9C) for all registered persons for FY 2025-26.
FY 2025-26
January 2027
Jan
GSTR-1 (Monthly) — December 2026
Monthly outward supply return for December 2026.
December 2026
Jan
GSTR-3B — December 2026 (>5 Cr)
Monthly summary return and tax payment for December 2026.
December 2026
February 2027
Feb
GSTR-1 (Monthly) — January 2027
Monthly outward supply return for January 2027.
January 2027
Feb
GSTR-3B — January 2027 (>5 Cr)
Monthly summary return and tax payment for January 2027.
January 2027
March 2027
Mar
GSTR-1 (Monthly) — February 2027
Monthly outward supply return for February 2027.
February 2027
Mar
GSTR-3B — February 2027 (>5 Cr)
Monthly summary return and tax payment for February 2027.
February 2027
Standard statutory due dates for FY 2026-27. CBDT / CBIC may notify extensions — verify on official portals before relying on any date.
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