This tracker outlines the key tax compliance deadlines for March 2026, covering both Income Tax and GST regulations. Key Income Tax deadlines include the furnishing of challan-cum-statements for various TDS sections, advance tax payments, and the issuance of TDS certificates. For GST, deadlines cover the filing of GSTR-3B for different turnover categories, GSTR-1 returns, and specialized returns like GSTR-5, GSTR-6, GSTR-7, GSTR-8, and GSTR-11.
1. Compliance requirement under the Income Tax act, 1961
Sl.
Compliance Particulars
Due Dates
1
Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194M in the month of January, 2026
02.03.2026
2.
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FAQ :
Key Income Tax deadlines in March 2026 include furnishing challan-cum-statements for TDS under sections 194M, 194-IA, 194-IB, and 194S, paying the fourth instalment of advance tax, issuing TDS certificates for January deductions, filing Form 24G, and submitting Country-By-Country Reports (Form 3CEAD).
The fourth instalment of advance tax for the assessment year 2026-27 is due on March 15, 2026.
For February 2026, GSTR-3B filing deadlines are March 20, 2026, for taxpayers with turnover > Rs. 5 Cr. For those with turnover up to Rs. 5 Cr opting for quarterly filing, the deadlines are March 22, 2026 (Group A states) and March 24, 2026 (Group B states).
For registered persons with aggregate turnover exceeding INR 5 Crores during the preceding year, the GSTR-1 return for February 2026 is due on March 11, 2026.
GSTR-11 is to be filed by persons issued a Unique Identity Number (UIN) who claim a refund of taxes paid on their inward supplies. The due date is the 28th of the month following the month in which the inward supply was received.
The due date for furnishing an updated return of income for the Assessment Year 2021-22 is March 31, 2026.