IFF — Invoice Furnishing Facility (QRMP, optional) — due dates 2026
Optional upload of B2B invoices for the previous month so buyers get ITC without waiting for the quarterly GSTR-1.
Who must file
QRMP taxpayers wanting to pass ITC monthly (months 1–2 of a quarter)
Penalty if missed
Optional facility — no late fee, but the window closes on the 13th.
Upcoming due dates
| Due date | Filing | Type |
|---|---|---|
| 13 Aug 2026in 2 days | IFF — Invoice Furnishing Facility (QRMP, optional)July 2026 | GST |
| 13 Sep 2026in 33 days | IFF — Invoice Furnishing Facility (QRMP, optional)August 2026 | GST |
| 13 Nov 2026in 94 days | IFF — Invoice Furnishing Facility (QRMP, optional)October 2026 | GST |
| 13 Dec 2026in 124 days | IFF — Invoice Furnishing Facility (QRMP, optional)November 2026 | GST |
| 13 Feb 2027in 186 days | IFF — Invoice Furnishing Facility (QRMP, optional)January 2027 | GST |
| 13 Mar 2027in 214 days | IFF — Invoice Furnishing Facility (QRMP, optional)February 2027 | GST |
| 13 May 2027in 275 days | IFF — Invoice Furnishing Facility (QRMP, optional)April 2027 | GST |
| 13 Jun 2027in 306 days | IFF — Invoice Furnishing Facility (QRMP, optional)May 2027 | GST |
| 13 Aug 2027in 367 days | IFF — Invoice Furnishing Facility (QRMP, optional)July 2027 | GST |