October 2026 Due Dates
We present the October 2026 due dates. It is best to complete these as soon as possible. And not wait for the last date. Due Dates are extended some times. So we show these here, if any extended due date falls in this month.
There are a number of due dates this month. In this article, We’ll cover the common compliances. Including Due dates for
- Income Tax
- GST
- ROC and more
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October 2026 Due Dates
| Due Date | Categories | Particulars |
|---|---|---|
| 07-10-2026 | TDS / TCS Payment | Payment of TDS / TCS for the month of September 2026 |
| 11-10-2026 | GSTR1 Return | Filing of monthly GSTR 1 for the month of September 2026 |
| 13-10-2026 | GSTR1 Return | Filing of quarterly GSTR1 for the quarter ended September 2026 |
| 15-10-2026 | PF & ESIC Payment | Payment of PF & ESIC for the month of September 2026 |
| 15-10-2026 | PTRC Payment | Payment and Return of PTRC – Maharashtra (monthly) for the month of September 2026 |
| 18-10-2026 | CMP-08 | Payment of GST by composition dealers for the quarter ended September 2026 |
| 20-10-2026 | GSTR3B | Filing of GSTR 3B for September 2026 for monthly filers |
| 21-10-2026 | Tax Audit Report | Extended due date – Filing of income tax forms – Tax Audit Report for the year ended March 2026 for those not in transfer pricing audit |
| 22-10-2026 | GSTR3B | Filing of GSTR 3B for September 2026 for T/O < 5 Cr in Cat-I states |
| 24-10-2026 | GSTR3B | Filing of GSTR 3B for September 2026 for T/O < 5 Cr in Cat-II states |
| 29-10-2026 | AOC-4 | Filing of AOC 4 for Companies for the year ended March 2026 with AGM on 30th September |
| 30-10-2026 | Form 8 | Filing of Form 8 for LLPs for the year ended March 2026 |
| 30-10-2026 | Tax Audit Report (TAR) | Filing of income tax forms – Tax Audit Report for the year ended March 2026 for those not in transfer pricing audit |
| 30-10-2026 | MSME Form 1 | Filing of MSME form 1 for the half year ended September 2026 |
| 31-10-2026 | TCS returns | Filing of TCS returns for the quarter ended September 2026 |
| 31-10-2026 | TDS returns | Filing of TDS returns for the quarter ended September 2026 |
*Turnover means turnover in the preceding financial year.
Category-I States include: Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh and the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands and Lakshadweep
Category-II States include: Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand, Odisha, the Union territories of Jammu and Kashmir, Ladakh, Chandigarh and Delhi.
All the October 2026 due dates applicable to your organisation may not reflect here. Contact us to know more.
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