The Goods and Services Tax Network (GSTN) has issued an important advisory regarding the amendment of Aggregate Annual Turnover (AATO) for FY 2025-26. Taxpayers should note that the timeline for making changes to their AATO details on the GST Portal has been revised due to the rollout of an upgraded system functionality.
Official copy of the Advisory is as follows
It is informed that the Aggregate Annual Turnover (AATO) functionality is currently being upgraded to enable automatic updation of AATO as subsequent returns are filed post amendment window. As this enhanced functionality is being deployed from 1st July 2026, the window for amendment of AATO by taxpayers for FY 2025-26 has been revised on the GST Portal.
GSTN had earlier issued an advisory dated 02 May 2022 regarding the functionality for amendment of Aggregate Annual Turnover (AATO) on the GST Portal, which was applicable for AATO till FY 2024-25. Under the said advisory, taxpayers were provided the facility to amend their turnover during the month of May.
In continuation thereof, it is informed that the timelines for submission of amendment applications and verification of amended AATO details by Tax Officers, in respect of FY 2025-26, have been revised.
To ensure greater consistency, accuracy, and uniformity in the reporting of AATO across various modules of the GST Portal, certain system-level enhancements are being implemented. Consequently, the revised timelines for amendment of AATO for FY 2025-26 by the taxpayers and subsequent action by the tax officers are as under:
| Activity | Timeline |
|---|---|
| AATO Amendment Application window for FY 2025-26 | 01 July to 31 July 2026 |
| Review by jurisdictional Tax officer | 01 Aug to 15 Aug 2026 |
Accordingly, the facility for amendment of AATO, which was earlier available during May as per the previous advisory, shall now be made available from 01 July to 31 July 2026 for FY 2025-26. The amended AATO details will be available for review of Tax Officers from 01 Aug to 15 Aug.
All taxpayers are requested to take note of the revised timelines and carefully review the AATO details while submitting the amendment application and ensuring that the amended details are accurate before submission.
In case of any difficulty or concern, taxpayers are advised to raise a grievance through the Self-Service Portal available on the GST Portal, along with all relevant details, to facilitate prompt and effective resolution.
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