This month in compliance.
What is due, what it costs to miss, and what changed. Short notes with the form names and the dates, written before the deadline rather than after.
- 14Oct Due 15 December 2026
The first year under the Income-tax Act 2025: what changes for your filings
The Income-tax Act 2025 replaced the 1961 Act on 1 April 2026. Rates, deadlines and deductions are unchanged in substance, but sections are renumbered, previous year and assessment year become one tax year, and notices now cite the new numbering. Here is what it means for this year's filings.
- 8Oct Due 30 October 2026
LLP Form 8 by 30 October and MSME-1 by 31 October
Every LLP, active or not, must file Form 8 for the year ended 31 March 2026 by 30 October 2026, with a fee that rises with the delay. Companies that owed micro and small suppliers beyond 45 days at any point between April and September file MSME-1 by 31 October.
- 1Oct Due 31 October 2026
This month in compliance: October 2026
October carries the quarter-end GST filings for QRMP taxpayers, AOC-4 for companies that held their AGM on 30 September, LLP Form 8 on 30 October, and three deadlines on 31 October: the income tax return for audit cases, the Q2 TDS return and the MSME-1 half-yearly return.
- 25Sept Due 30 September 2026
Tax audit report by 30 September, ITR by 31 October for audit cases
Businesses with turnover above ₹1 crore (₹10 crore where cash receipts and payments are each under 5%) and professionals above ₹50 lakh must file a tax audit report by 30 September 2026. Their income tax return, and that of every company, is due by 31 October 2026.
- 21Sept Due 30 September 2026
AGM by 30 September, then the AOC-4 and MGT-7A windows
Every company with a 31 March 2026 year end must hold its Annual General Meeting by 30 September 2026. The AGM date starts two clocks: AOC-4 with the audited accounts within 30 days, and MGT-7A or MGT-7 within 60 days. Both carry a late fee of ₹100 per day.
- 14Sept Due 30 September 2026
DIR-3 KYC by 30 September: what happens on 1 October
Every person holding a DIN on 31 March 2026 must complete DIR-3 KYC by 30 September 2026. It is free until then and costs ₹5,000 from 1 October, when the DIN is also deactivated, which stops the director from signing any MCA form, including the company's annual filings.
- 8Sept Due 15 September 2026
Advance tax: the 15 September instalment and how to estimate it
Anyone whose tax for the year after TDS exceeds ₹10,000 must pay advance tax, and 45% of the year's estimate is due by 15 September 2026. Companies, LLPs, freelancers and salaried people with other income are all covered. Presumptive taxpayers under 44AD and 44ADA pay once, by 15 March.
- 1Sept Due 30 September 2026
This month in compliance: September 2026
September is the heaviest compliance month of the year. The second advance tax instalment falls on 15 September, and 30 September is the deadline for DIR-3 KYC, the AGM of every company with a March year end, and the tax audit report. Here is the full list with penalties.
Coming up
- 25SeptGST payment for August under QRMP (PMT-06)GST-registered businesses under QRMP18% interest on tax paid late
- 30SeptDIR-3 KYC for every DIN holderDirectors and designated partners₹5,000 per person and DIN deactivated
- 30SeptAnnual General Meeting for the year ended 31 March 2026Private Limited CompaniesPenalty on company and officers; AOC-4 and MGT-7A run late
- 30SeptTax audit report (Form 3CA/3CB with 3CD) for tax year 2025-26Businesses and professionals above the Section 44AB limits0.5% of turnover up to ₹1.5 lakh
- 7OctTDS deposit for SeptemberEmployers and businesses deducting TDSInterest 1.5% per month on late deposit
- 11OctGSTR-1 for September (monthly filers)GST-registered businesses filing monthly₹50 per day (₹20 for nil returns), capped
Never miss a date
Our Annual Filings and GST Filing plans include the reminders, the forms and the follow-up. One expert on WhatsApp, the same person every month.
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