This quick-reference guide lays out all key GST return due dates for September 2025 — including deadlines for GSTR-7, GSTR-8, GSTR-1, IFF (QRMP), GSTR-6, GSTR-5, GSTR-3B and GSTR-5A — plus practical notes on why on-time filing matters and a simple table you can use as a checklist.

Make sure that the crucial GST filing dates in February 2025 are met. This guide helps companies avoid fines and handle Input Tax Credit (ITC) claims by highlighting deadlines for a variety of forms, such as GSTR-3B, GSTR-1, CMP-08, GSTR-5, and more.