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.

Aug

September 2027

Oct
DateComplianceLawPeriod
TDS/TCS deposit
Rule 218(2)(b), Income-tax Rules, 2026
Income tax August 2027
Advance tax
2nd instalment (45%)
Section 408, Income-tax Act, 2025
Income tax FY 2027-28
Tax audit report
Section 63, Income-tax Act, 2025 r/w Rule 47
Income tax FY 2026-27
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