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Compliance calendar

Statutory due dates by month, with the rule or section for each. Dates are not moved for holidays, and the government sometimes extends them, so check the latest notification before you rely on a date.

Nov

December 2026

Jan

Date	Compliance	Law	Period
7 Dec, Mon	TDS/TCS deposit Rule 218(2)(b), Income-tax Rules, 2026	Income tax	November 2026
10 Dec, Thu	GSTR-7 (TDS under GST) Rule 66, CGST Rules, 2017	GST	November 2026
10 Dec, Thu	GSTR-8 (TCS by e-commerce operators) Rule 67, CGST Rules, 2017	GST	November 2026
11 Dec, Fri	GSTR-1 (monthly filers) Rule 59, CGST Rules, 2017	GST	November 2026
13 Dec, Sun	IFF (optional, QRMP filers) Rule 59, CGST Rules, 2017	GST	November 2026
15 Dec, Tue	Advance tax 3rd instalment (75%) Section 408, Income-tax Act, 2025	Income tax	FY 2026-27
15 Dec, Tue	ESI contribution Regulation 31, ESI (General) Regulations, 1950	PF/ESI	November 2026
15 Dec, Tue	PF contribution and ECR Para 38, EPF Scheme, 1952	PF/ESI	November 2026
20 Dec, Sun	GSTR-3B (monthly filers) Rule 61, CGST Rules, 2017	GST	November 2026
25 Dec, Fri	PMT-06 tax payment (QRMP filers) Rule 61, CGST Rules, 2017	GST	November 2026
31 Dec, Thu	GSTR-9 / GSTR-9C annual return Section 44, CGST Act, 2017 r/w Rule 80	GST	FY 2025-26