GSTR-1 (monthly) — due dates 2026
Statement of outward supplies for the previous month.
Who must file
Regular taxpayers with turnover > ₹5 crore, or those not under QRMP
Penalty if missed
Late fee ₹50/day (₹20/day for nil return), capped by turnover slab.
Upcoming due dates
| Due date | Filing | Type |
|---|---|---|
| 11 Aug 2026today | GSTR-1 (monthly)July 2026 | GST |
| 11 Sep 2026in 31 days | GSTR-1 (monthly)August 2026 | GST |
| 11 Oct 2026in 61 days | GSTR-1 (monthly)September 2026 | GST |
| 11 Nov 2026in 92 days | GSTR-1 (monthly)October 2026 | GST |
| 11 Dec 2026in 122 days | GSTR-1 (monthly)November 2026 | GST |
| 11 Jan 2027in 153 days | GSTR-1 (monthly)December 2026 | GST |
| 11 Feb 2027in 184 days | GSTR-1 (monthly)January 2027 | GST |
| 11 Mar 2027in 212 days | GSTR-1 (monthly)February 2027 | GST |
| 11 Apr 2027in 243 days | GSTR-1 (monthly)March 2027 | GST |
| 11 May 2027in 273 days | GSTR-1 (monthly)April 2027 | GST |
| 11 Jun 2027in 304 days | GSTR-1 (monthly)May 2027 | GST |
| 11 Jul 2027in 334 days | GSTR-1 (monthly)June 2027 | GST |
| 11 Aug 2027in 365 days | GSTR-1 (monthly)July 2027 | GST |