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.









