GSTN Advisory No. 666: The FY 2025-26 AATO Amendment Window Closes July 31, 2026 (and GST Turnover Now Auto-Updates)

GSTN Advisory No. 666 dated 1 July 2026 revises the FY 2025-26 AATO amendment window (open till 31 July 2026) and switches GST turnover to auto-update. Check your AATO before it closes.

GSTR-3B Hard-Locking and IMS: Why GSTR-1 and the Invoice Management System Now Decide Your GST Liability

GSTR-3B liability has been hard-locked since the July 2025 tax period. Corrections move to GSTR-1A and credit is shaped by IMS. Here is how to file under the new regime and what is expected around July 2026.

GSTN Defers Mandatory Ship-To GSTIN and E-Way Bill Voluntary Closure to August 1, 2026: What Changes and How to Prepare

GSTN has deferred the mandatory Ship-To GSTIN field and the voluntary E-Way Bill closure facility from 15 June to 1 August 2026. Here is what changes and how to prepare.