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December 2026 Deadlines

16 compliance deadlines due in December 2026 for Indian businesses and CAs. All GST, TDS, Income Tax, ROC, PF, ESI, and Professional Tax filing dates.

AprMayJunJulAugSepOctNovDecJanFebMar
7
Dec
2026
TDSTDS Deposit

Monthly TDS deposit to government

Details
10
Dec
2026
GSTGSTR-7

Monthly return for GST TDS deductors

Details
10
Dec
2026
GSTGSTR-8

Monthly return for e-commerce TCS collectors

Details
11
Dec
2026
GSTGSTR-1

Monthly return of outward supplies

Details
13
Dec
2026
GSTGSTR-6

Monthly return for Input Service Distributors

Details
15
Dec
2026
PF / EPFOPF ECR

EPF monthly contribution and return

Details
15
Dec
2026
ESIESI Contribution

ESI monthly contribution

Details
15
Dec
2026
Income TaxAdvance Tax (Q3)

Third installment - 75% of estimated tax

Details
20
Dec
2026
GSTGSTR-3B

Monthly summary return with tax payment

Details
20
Dec
2026
Professional TaxProfessional Tax (KA)

Monthly professional tax payment

Details
21
Dec
2026
Professional TaxProfessional Tax (WB)

Monthly professional tax payment

Details
28
Dec
2026
Professional TaxProfessional Tax (MH)

Monthly professional tax payment

Details
31
Dec
2026
GSTGSTR-9

Annual return

Details
31
Dec
2026
GSTGSTR-9C

Annual reconciliation statement (turnover > ₹5 Cr)

Details
31
Dec
2026
ROC / MCAMGT-14

Filing of board and special resolutions with ROC

Details
31
Dec
2026
ROC / MCADIR-12

Appointment/cessation of directors — event-based, file within 30 days; annual reminder in December

Details
November 2026January 2027

Never miss a deadline in December 2026

CAtrak auto-generates a compliance calendar for every client and sends WhatsApp reminders before each due date.

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