Due Date Calendar

Compiled by madhuvridhi

Table of Contents

Events in October 2026

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
September 28, 2026
September 29, 2026
September 30, 2026 (3 events)

–
September 30, 2026

Form DIR-3KYC is used for annual filing of KYC for Directors / Designated Partners having DIN

September 30, 2026

Those entities having a professional tax liability of more than Rs. 1, 00,000 are required to file a monthly professional tax return before the last date of each month. Those entities are having a tax liability of less than Rs. 1, 00,000 in the previous year are required to file a tax return annually on or before the 31st of March.

–
September 30, 2026

Due date for filing of tax audit report under section 44AB

October 1, 2026 (1 event)

–
October 1, 2026

Those entities having a professional tax liability of more than Rs. 1, 00,000 are required to file a monthly professional tax return before the last date of each month. Those entities are having a tax liability of less than Rs. 1, 00,000 in the previous year are required to file a tax return annually on or before the 31st of March.

October 2, 2026
October 3, 2026
October 4, 2026
October 5, 2026
October 6, 2026
October 7, 2026 (1 event)

October 7, 2026

Due date for deposit of Tax deducted/collected for the previous month other than month of March

October 8, 2026
October 9, 2026
October 10, 2026 (2 events)

October 10, 2026

October 10, 2026

October 11, 2026 (1 event)

October 11, 2026

October 12, 2026
October 13, 2026 (2 events)

October 13, 2026

October 13, 2026

October 14, 2026
October 15, 2026 (2 events)

October 15, 2026

October 15, 2026

October 16, 2026
October 17, 2026
October 18, 2026 (1 event)

October 18, 2026

October 19, 2026
October 20, 2026 (3 events)

October 20, 2026

October 20, 2026

October 20, 2026

October 21, 2026 (3 events)

October 21, 2026

October 21, 2026

October 21, 2026

October 22, 2026 (1 event)

October 22, 2026

October 23, 2026
October 24, 2026 (1 event)

October 24, 2026

October 25, 2026 (1 event)

October 25, 2026

October 26, 2026
October 27, 2026
October 28, 2026
October 29, 2026 (1 event)

–
October 29, 2026

To be filed within 30 days of the annual general meeting for financial year. AGM can be done upto 30th September , hence AOC -4 due date is 29th October

October 30, 2026 (3 events)

–
October 30, 2026

Form 8 Statement of Account & Solvency and Charge Filing – LLP

October 30, 2026

October 30, 2026

Those entities having a professional tax liability of more than Rs. 1, 00,000 are required to file a monthly professional tax return before the last date of each month. Those entities are having a tax liability of less than Rs. 1, 00,000 in the previous year are required to file a tax return annually on or before the 31st of March.

October 31, 2026 (4 events)

–
October 31, 2026

–
October 31, 2026

Those entities having a professional tax liability of more than Rs. 1, 00,000 are required to file a monthly professional tax return before the last date of each month. Those entities are having a tax liability of less than Rs. 1, 00,000 in the previous year are required to file a tax return annually on or before the 31st of March.

October 31, 2026

–
October 31, 2026

Tax Audit report under section 44AB for the previous assessment year in the case of an assessee who is also required to submit a report pertaining to international or specified domestic transactions under section 92E (Transfer Pricing)

November 1, 2026

Disclaimer: All efforts are taken to ensure correctness of due dates , however the due dates are subject to change in law , notifications and applicability. Anyone relying on the dates is doing the same at their responsibility.

Subscribe to get Tax & Compliance updates in your inbox