The GSTN announced a revised timeline for the amendment of Aggregate Annual Turnover (AATO) for FY 2025-26 due to system upgrades. The amendment window is from July 1-31, 2026.
GSTN Revises AATO Amendment Timeline for FY 2025-26
The Goods and Services Tax Network (GSTN) has announced a revision in the timeline for the amendment of the Aggregate Annual Turnover (AATO) for the financial year 2025-26. The amendment window has been rescheduled to occur from July 1 to July 31, 2026, owing to necessary system upgrades.
Following the amendment period, tax officer reviews will take place from August 1 to August 15, 2026. This change will provide taxpayers additional time to ensure accuracy in their declarations, which is crucial for compliance under the GST regime.
The decision is designed to enhance operational efficiency and accuracy in reporting, thus reducing the likelihood of discrepancies that may attract penalties or punitive measures. It is imperative for businesses to stay updated with these timelines to avoid complications.
Tax consultants and practitioners should be aware of this shift to effectively guide their clients in making timely and accurate submissions as this could impact compliance obligations and overall GST assessments.
Citations
- GSTN Advisory (2026)

