December 2026
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Compliance Due Dates
December 2026
Income-tax Act, 2025 / Income-tax Rules, 2026
67Dec
Form 127 – Upload Buyer Declarations
Form 127
7Dec
TCS Deposit
TCS payment
7Dec
TDS Deposit
TDS payment
15Dec
Advance Tax – 3rd instalment
Advance Tax
15Dec
TDS Certificate – Challan-cum-Statement Cases
Form 132
30Dec
Challan-cum-Statement – Specified TDS Cases
Form 141
CGST Act, 2017 / CGST Rules, 2017
1110Dec
GSTR-7 – GST TDS Return
GSTR-7
10Dec
GSTR-8 – E-commerce TCS Statement
GSTR-8
11Dec
GSTR-1 – Monthly
GSTR-1
13Dec
GSTR-5 – Non-Resident Taxable Person
GSTR-5
13Dec
GSTR-6 – Input Service Distributor
GSTR-6
13Dec
IFF – Invoice Furnishing Facility (Optional)
IFF
20Dec
GSTR-3B – Monthly
GSTR-3B
20Dec
GSTR-5A – OIDAR / Specified Overseas Suppliers
GSTR-5A
25Dec
PMT-06 – QRMP Monthly Tax Payment
PMT-06
31Dec
GSTR-9 – Annual Return
GSTR-9
31Dec
GSTR-9C – Self-Certified Reconciliation Statement
GSTR-9C
Income-tax Act, 1961 (transition)
131Dec
Belated ITR – AY 2026-27
ITR
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