New Delhi, Oct. 19 -- The Central Board of Indirect Taxes and Customs has extended the GSTR-3B filing deadline to October 25, 2025, for both monthly filers (September 2025) and quarterly filers.

This extension by CBIC was announced via Notification No. 17/2025 - Central Tax, dated 18.10.2025.

GSTR-3B is a monthly self-declared summary return that taxpayers must file under the Goods and Services Tax (GST) regime in India.

It includes details of outward supplies, inward supplies liable to reverse charge, input tax credit claimed, and tax payable.

This extension provides taxpayers with additional time to comply with GST filing requirements.

Form GSTR-3B is a simplified summary return, and the purpose of the return is for taxpayers to de...