September 2026 Compliance Calendar

Every statutory due date falling in September 2026 - GST, TDS, income tax, ROC, PF, ESIC and profession tax - with the form, the period it covers and who it applies to.

12 due dates FY 2026-27

September 2026 carries 12 statutory due dates for Indian businesses, spanning GST, payroll, income tax, TDS/TCS and ROC/MCA. The first falls on the 7th (TDS / TCS Deposit) and the last on the 30th (Maharashtra Profession Tax (PTRC)).

The heaviest date is the 15th, when 3 filings fall due together: Advance Tax - Q2 (45% cumulative), EPF / ECR Payment and ESIC Contribution. Plan the working papers for these a few days ahead - the portals slow noticeably on peak dates.

In total that is 5 GST returns, 2 income tax items and 1 ROC filing, alongside the recurring TDS deposit and payroll obligations. Dates below are indicative and can shift if CBDT, GSTN, MCA, EPFO or ESIC issue an extension circular.

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Income Tax TDS / TCS GST ROC / MCA PF - ESIC - PT - LWF

September 2026

12 compliances
Date Act Period Description Applicable To
7 TDS / TCS Aug 2026 TDS / TCS Deposit All Deductors
10 GST Aug 2026 GSTR-7 / GSTR-8 (TDS/TCS) GST TDS / ECO Operators
11 GST Aug 2026 GSTR-1 (Monthly) Regular Taxpayers
13 GST Aug 2026 GSTR-5 / GSTR-6 (NRTP / ISD) NRTP / ISD
15 Income Tax FY 2026-27 Advance Tax - Q2 (45% cumulative) All Assessees
15 PF / ESIC Aug 2026 EPF / ECR Payment Employers (>=20)
15 PF / ESIC Aug 2026 ESIC Contribution Employers (>=10)
20 GST Aug 2026 GSTR-3B (Monthly) / GSTR-5A Regular / OIDAR
25 GST Aug 2026 PMT-06 (QRMP Tax Payment) QRMP Taxpayers
30 MCA FY 2025-26 DIR-3 KYC All Directors
30 Income Tax AY 2026-27 Tax Audit Report (Sec 44AB) Audit Cases
30 Profession Tax Aug 2026 Maharashtra Profession Tax (PTRC) MH Employers

Notes: AOC-4, MGT-7 & ADT-1 dates assume the AGM is held on 30 Sep 2026 (the last permissible date - adjust if your AGM is earlier). PT & LWF deadlines are for Maharashtra only; other states differ. Monthly TDS deposit is due the 7th of the following month, except TDS on March deductions which is due 30 April. All dates are indicative and subject to extension circulars by CBDT, GSTN, MCA, EPFO & ESIC.

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