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GST Calendar 2026-27: GST Due Dates, Filing Deadlines & Compliance
This GST compliance calendar is designed specifically for enterprises to proactively manage their GST obligations and stay ahead of deadlines. Tracking key GST due dates is critical to ensure timely filing of returns and prescribed forms, thereby avoiding interest, penalties, and late fees.
Given that the Central Board of Indirect Taxes and Customs frequently revises and extends due dates for various GST filings, this comprehensive calendar serves as a reliable reference for enterprises to plan tax payments and ensure seamless compliance.
Enterprise Compliance Calendar 2026 PDF Download
GST Due Dates in April 2026
Here is the GST calendar for April 2026 at a glance-
Due date* | Forms | Period | Description |
10th April | GSTR-7 | March’26 | Summary of Tax Deducted at Source (TDS) and deposited under the GST law |
GSTR-8 | March’26 | Summary of Tax Collected at Source (TCS) and deposited by e-commerce operators under the GST law | |
11th April | GSTR-1 (Monthly) | March’26 | Summary of outward supplies where turnover > ₹5 crore or taxpayers not opting for the QRMP scheme |
13th April | GSTR-5 | March’26 | Summary of outward taxable supplies and tax payable by a non-resident taxable person |
GSTR-6 | March’26 | Details of ITC received and distributed by an Input Service Distributor (ISD) | |
20th April | GSTR-5A | March’26 | Summary of outward taxable supplies and tax payable by OIDAR service providers |
GSTR-3B (Monthly) | March’26 | Summary return for taxpayers with turnover > ₹5 crore or not opting for QRMP | |
25th April | ITC-04 | Oct’25 – Mar’26 | Half-yearly/yearly return for goods sent to or received from job workers |
28th April | GSTR-11 | March’26 | Statement of inward supplies by UIN holders for GST refund |
30th April | TDS Challan-cum-Statement (194IA / IB / M) | Mar’26 | Furnishing of challan-cum-statement for tax deducted under Sections 194IA, 194IB, and 194M of the Income Tax Act |
Depositing TDS & TCS liabilities | Mar’26 | Deposit of TDS/TCS for March | |
MSME-1 | Oct’25 - Mar’26 | Return for outstanding dues to MSMEs exceeding 45 days | |
*The due dates mentioned are subject to changes notified by the concerned department. | |||
Overview of the GST Returns Filing Structure
Regular taxpayers
The GST returns in forms GSTR-1 and GSTR-3B are to be filed by businesses and professionals registered under GST every month if their annual aggregate turnover during the financial year exceeds Rs.5 crore.
Returns for specific transactions/persons
Special transactions under GST have been defined with specific GST returns such as GSTR-5, GSTR-5A, GSTR-6, GSTR-7 and GSTR-8. For more information about GST returns, read our article on ‘GST Returns’.
Upcoming GST Return Due Dates
The due dates for filing GST returns can be extended by issuing orders or notifications. Here, we have got for you the list of upcoming GST returns due dates you must not miss!
Here’s the return-wise GST calendar
GSTR-1
Monthly Filing
(Annual turnover of more than Rs.5 crore must file monthly or not opted into the QRMP scheme, wherever eligible)
Month | Due Date |
April 2026 | 11th May 2026 |
May 2026 | 11th June 2026 |
June 2026 | 11th July 2026 |
July 2026 | 11th August 2026 |
August 2026 | 11th September 2026 |
September 2026 | 11th October 2026 |
January 2027 | 11th February 2027 |
February 2027 | 11th March 2027 |
March 2027 | 11th April 2027 |
GSTR-3B
GSTR-3B is a summary return to be filed by all taxpayers except those registered under the composition scheme, every month. However, from 1st January 2021, there is also a quarterly filing option provided to taxpayers with an annual aggregate turnover of up to Rs.5 crore, opting for the QRMP scheme.
Aggregate turnover exceeding Rs.5 crore in the previous financial year
Month | Due Date |
April 2026 | 20th May 2026 |
May 2026 | 20th June 2026 |
June 2026 | 20th July 2026 |
July 2026 | 20th August 2026 |
August 2026 | 20th September 2026 |
September 2026 | 20th October 2026 |
October 2026 | 20th November 2026 |
November 2026 | 20th December 2026 |
December 2026 | 20th January 2027 |
January 2027 | 20th February 2027 |
February 2027 | 20th March 2027 |
March 2027 | 20th April 2027 |
GSTR-5
Summary of outward taxable supplies and tax payable by the non-resident taxable persons:
Period (Monthly) | Due Date |
April 2026 | 13th May 2026 |
May 2026 | 13th June 2026 |
June 2026 | 13th July 2026 |
July 2026 | 13th August 2026 |
August 2026 | 13th September 2026 |
September 2026 | 13th October 2026 |
October 2026 | 13th November 2026 |
November 2026 | 13th December 2026 |
December 2026 | 13th January 2027 |
January 2027 | 13th February 2027 |
February 2027 | 13th March 2027 |
March 2027 | 13th April 2027 |
GSTR-5A
Summary of outward taxable supplies and tax payable by Online Information and Database Access or Retrieval Services (OIDAR) provider:
Month | Due Date |
April 2026 | 20th May 2026 |
May 2026 | 20th June 2026 |
June 2026 | 20th July 2026 |
July 2026 | 20th August 2026 |
August 2026 | 20th September 2026 |
September 2026 | 20th October 2026 |
October 2026 | 20th November 2026 |
November 2026 | 20th december 2026 |
December 2026 | 20th January 2027 |
January 2027 | 20th February 2027 |
February 2027 | 20th March 2027 |
March 2027 | 20th April 2027 |
GSTR-6
Details of Input Tax Credit (ITC) received and distributed by an Input Service Distributor (ISD):
Period (Monthly) | Due Date |
April 2026 | 13th May 2026 |
May 2026 | 13th June 2026 |
June 2026 | 13th July 2026 |
July 2026 | 13th August 2026 |
August 2026 | 13th September 2026 |
September 2026 | 13th October 2026 |
October 2026 | 13th November 2026 |
November 2026 | 13th December 2026 |
December 2026 | 13th January 2027 |
January 2027 | 13th February 2027 |
February 2027 | 13th March 2027 |
March 2027 | 13th April 2027 |
GSTR-7
Summary of Tax Deducted at Source (TDS) and deposited under GST laws:
Month | Due Date |
April 2026 | 10th May 2026 |
May 2026 | 10th June 2026 |
June 2026 | 10th July 2026 |
July 2026 | 10th August 2026 |
August 2026 | 10th September 2026 |
September 2026 | 10th October 2026 |
October 2026 | 10th November 2026 |
November 2026 | 10th December 2026 |
December 2026 | 10th January 2027 |
January 2027 | 10th February 2027 |
February 2027 | 10th March 2027 |
March 2027 | 10th April 2027 |
GSTR-8
Summary of Tax Collected at Source (TCS) by e-commerce operators under GST laws:
Month | Due Date |
April 2026 | 10th May 2026 |
May 2026 | 10th June 2026 |
June 2026 | 10th July 2026 |
July 2026 | 10th August 2026 |
August 2026 | 10th September 2026 |
September 2026 | 10th October 2026 |
October 2026 | 10th November 2026 |
November 2026 | 10th December 2026 |
December 2026 | 10th January 2027 |
January 2027 | 10th February 2027 |
February 2027 | 10th March 2027 |
March 2027 | 10th April 2027 |
GSTR-9 and self-certified GSTR-9C
The GSTR-9 annual returns and GSTR-9C self-certified reconciliation statement due dates for
- FY 2026-27 - 31st December 2027
GST Dates of Few Popular Forms
ITC-04
Half-yearly ITC-04 to be filed by a manufacturer to report the summary of goods sent to or received from a job worker whose turnover is more than Rs.5 crore, is as follows-
Period | Due Date |
Apr'26-Sep'26 (Half-yearly) | 25th Oct 2026 |
Oct’26-Mar’27 (Half-yearly) | 25th April 2027 |
RFD-11 (LUT)
Letter of Undertaking in form RFD-11 must be filed to make exports without payment of IGST by the GST registered exporters for every financial year. It must be filed at the beginning of every financial year by the 31st of March and the reference number must be quoted in the export document each time a transaction is effected.
The due date to file RFD-11 (LUT) for FY 2026-27 was 31st March 2026.
Having known the dates now, make sure to mark this on your calendar!
In case you missed the filing date of GST, ensure you make payment of tax along with the applicable late fees.
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