The Central Board of Indirect Taxes and Customs (CBIC) has issued Notification No. 01/2026 – Central Tax dated 21 April 2026, providing relief to taxpayers by extending the due date for filing FORM GSTR-3B for the tax period of March 2026. The notification has been issued under the powers conferred by Section 39(6) of the Central Goods and Services Tax (CGST) Act, 2017, based on the recommendations of the GST Council.
This extension allows eligible registered persons additional time to furnish their monthly GST return, helping businesses complete reconciliations, verify tax liabilities, and ensure accurate compliance.
Key Highlights of the Notification
| Particulars | Details |
| Notification No. | 01/2026 – Central Tax |
| Notification Date | 21 April 2026 |
| Return | GSTR-3B |
| Tax Period | March 2026 |
| Extended Due Date | 21 April 2026 |
| Effective Date | 20 April 2026 |
What Does the Notification Provide?
As per the notification, the Commissioner has extended the due date for furnishing FORM GSTR-3B for the month of March 2026 until 21 April 2026. The extension applies to registered persons required to furnish returns under Section 39(1) of the CGST Act read with Rule 61(1)(i) of the CGST Rules, 2017.
The notification comes into effect from 20 April 2026, making the revised due date legally applicable for the specified tax period.
Who is Eligible for the Extended Due Date?
The benefit of this extension is available to registered taxpayers who are required to file monthly GSTR-3B returns under the provisions specified in the notification. Businesses falling under the regular GST scheme should ensure that they utilize the extended timeline to complete their compliance accurately.
Why is this Extension Important?
Timely filing of GSTR-3B is essential for maintaining GST compliance. The additional time granted through this notification provides taxpayers with an opportunity to:
- Complete reconciliation of sales and purchase data.
- Verify Input Tax Credit (ITC) before filing.
- Calculate GST liability accurately.
- Reduce the risk of errors arising from last-minute filing.
- Ensure compliance within the revised due date.
Although the notification extends the filing deadline, taxpayers should avoid waiting until the last day to file their returns, as heavy portal traffic or data mismatches may still lead to practical difficulties.
Action Points for Taxpayers
Businesses should make effective use of the extended timeline by:
- Reconciling books of accounts with GST records.
- Reviewing eligible Input Tax Credit.
- Verifying outward supplies and tax liability.
- Filing GSTR-3B on or before 21 April 2026.
Timely compliance not only helps avoid future disputes but also ensures smooth GST reporting.
Conclusion
The extension of the GSTR-3B due date for March 2026 provides welcome relief to eligible taxpayers by allowing additional time for accurate GST compliance. Registered persons should utilize this opportunity to complete reconciliations, verify tax details, and file their returns within the revised due date of 21 April 2026.
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Official Notification
Notification No. 01/2026 – Central Tax dated 21 April 2026
Official PDF: https://taxinformation.cbic.gov.in/view-pdf/1010630/ENG/Notifications
