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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.

Dec

January 2027

Feb

Date	Compliance	Law	Period
10 Jan, Sun	GSTR-7 (TDS under GST) Rule 66, CGST Rules, 2017	GST	December 2026
10 Jan, Sun	GSTR-8 (TCS by e-commerce operators) Rule 67, CGST Rules, 2017	GST	December 2026
11 Jan, Mon	GSTR-1 (monthly filers) Rule 59, CGST Rules, 2017	GST	December 2026
13 Jan, Wed	GSTR-1 (quarterly filers, QRMP) Rule 59, CGST Rules, 2017	GST	Q3 (Oct–Dec) FY 2026-27
18 Jan, Mon	CMP-08 (composition taxpayers) Rule 62, CGST Rules, 2017	GST	Q3 (Oct–Dec) FY 2026-27
20 Jan, Wed	GSTR-3B (monthly filers) Rule 61, CGST Rules, 2017	GST	December 2026
22 Jan, Fri	GSTR-3B (quarterly filers, Gujarat) Rule 61, CGST Rules, 2017	GST	Q3 (Oct–Dec) FY 2026-27