Notification No. 01/2026 – Central Tax Explained

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Notification No. 01/2026 – Central Tax: Seeks to extends the due date for furnishing the return in FORM GSTR-3B for the month of March, 2026 till the twenty-first day of April, 2026

[TO BE PUBLISHED IN THE GAZETTE OF INDIA, EXTRAORDINARY, PART II, SECTION 3, SUB-SECTION (i)]

G.S.R … (E).— In exercise of the powers conferred by sub-section (6) of section 39 of the Central Goods and Services Tax Act, 2017 (12 of 2017), the Commissioner, on the recommendations of the GST Council, hereby extends the due date for furnishing the return in FORM GSTR-3B for the month of March, 2026 till the twenty-first day of April, 2026, for the registered persons who are required to furnish return under sub-section (1) of section 39 read with clause (i) of sub-rule (1) of rule 61 of the Central Goods and Services Tax Rules, 2017.

2. This notification shall come into effect from 20th day of April, 2026.

[F. No. CBIC-20006/45/2025-GST]
(Kangale Shrunkhala Motiram)
Director

📚 Frequently Asked Questions (FAQs): Notification No. 01/2026 – Central Tax

Q1: What is the new due date for GSTR-3B for March 2026?

Answer: The due date has been extended till 21 April 2026.
The Government issued Notification No. 01/2026 – Central Tax extending the filing deadline by one day. This applies to eligible taxpayers filing monthly GSTR-3B returns under Section 39(1) of the CGST Act.

Q2: Which notification extended the GSTR-3B due date?

Answer: Notification No. 01/2026 – Central Tax.
The notification was issued by CBIC on 21 April 2026 under powers granted by Section 39(6) of the CGST Act.

Q3: Does this extension apply to all taxpayers?

Answer: No, only specified taxpayers are covered.
The notification applies to registered persons required to furnish returns under Section 39(1) read with Rule 61(1)(i). Businesses should verify applicability carefully.

Q4: Is GSTR-1 also extended?

Answer: No, this notification only mentions GSTR-3B.
Many businesses assume all GST forms receive extensions together, but each notification is separate. Always verify specific return coverage.

Q5: Will late fees apply after 21 April 2026?

Answer: Yes, if filing happens after the extended deadline.
The extension only shifts the due date. Once the revised due date passes, normal late fee provisions may apply.

Q6: Does the extension also extend GST payment date?

Answer: Practically, tax payment aligns with return filing.
However, businesses should still ensure timely tax discharge because interest implications may arise depending on circumstances.

Q7: Why was only one day extension provided?

Answer: The Government likely intended limited compliance relief.
March filings involve heavy reconciliation work, so even short extensions help businesses complete accurate filings.

Q8: Can taxpayers revise GSTR-3B later if mistakes occur?

Answer: GSTR-3B cannot be revised directly.
Corrections generally happen through subsequent returns. That is why careful reconciliation before filing is very important.

Q9: Does this affect annual return filing?

Answer: No, annual return timelines remain separate.
This notification only relates to monthly GSTR-3B filing for March 2026.

Q10: Is the notification legally valid under GST law?

Answer: Yes, it is fully backed by the CGST Act.
Section 39(6) specifically empowers the Commissioner to extend GST return due dates based on GST Council recommendations.

Q11: Should businesses still file early despite extension?

Answer: Yes, filing early is safer.
Last-day portal congestion, payment issues, and reconciliation mistakes are very common during March filings.

Q12: What happens if GSTR-3B is filed incorrectly?

Answer: Incorrect filing can create future notices and ITC disputes.
Businesses should carefully verify turnover, tax liability, and input tax credit before submission.

Q13: Is this extension applicable state-wise or across India?

Answer: It applies across India.
The notification is a Central Tax notification issued under GST law and applies nationally to eligible taxpayers.

Conclusion

The extension of GSTR-3B due date for March 2026 till 21 April 2026 is a small but meaningful relief for businesses handling year-end GST compliance pressure.

In simple terms, this extension should be used wisely for reconciliation and accurate filing rather than last-minute delay. March returns usually play an important role in year-end tax consistency, so careful preparation matters more than speed.