Taxpayers should note several important income-tax compliance deadlines during November 2026. By 7 November 2026, tax deducted or collected for October 2026 must be deposited with the Central Government, along with Securities Transaction Tax (STT) and Commodities Transaction Tax (CTT) collected for the month. Form 127, relating to declarations by buyers for obtaining goods without collection of tax received during October 2026, is also due on this date.
By 14 November 2026, Form 132 TDS certificates for tax deducted during September 2026 must be issued. The next important deadline is 15 November 2026, covering Form 131 and Form 133 quarterly TDS/TCS certificates for the quarter ended 30 September 2026, Form 137 for Government TDS/TCS book-adjustment statements for October 2026, and Form 1 for client-code modifications by stock exchanges for October 2026.
By 21 November 2026, the return of income for Assessment Year 2026-27 is due for corporate assessees, audited non-corporate assessees and specified partners not having any international or specified domestic transaction, together with the related forms, reports, certificates and applications linked to this return-filing deadline, including Forms 3CEFB, 3CEJA, 3CFA, 3CLA, 3CT, 5C, 10BBC, 10BBD, 10BC, 10CCD, 10CCE, 10CCF, 10E, 10-EE, 10FC, 10H, 10IA, 10-IB to 10-IK, 56FF and 62.
The most significant compliance date is 30 November 2026, which covers the return of income for Assessment Year 2026-27 for assessees required to furnish a report under section 92E in respect of international or specified domestic transactions, along with Form 3CEAA, Form 3CEFA, Form 3CEF, Form 49C, Form 64, Form 141 challan-cum-statements for specified tax deductions made during October 2026, and several other prescribed statements, reports, certificates and applications linked to this return-filing deadline. Self-assessment tax is also payable where the due date for filing the return of income is 30 November 2026. Timely compliance is important to avoid applicable interest, late fees, penalties and other statutory consequences.
07-Nov-26
| Event | Applicable Act | Description |
| Form 127 | Income Tax Act, 2025 | Declaration under section 394(2) of the Act to be made by a buyer for obtaining goods without collection of tax received in the month of October, 2026 |
| Statutory Forms Filling Due Date | Income Tax Act, 2025 | Due date for deposit of tax deducted/collected for the month of October, 2026. However, all sum deducted/collected by an office of the government shall be paid to the credit of the Central Government on the same day where tax is paid without production of an Income tax Challan |
| Securities Transaction Tax / Commodities Transaction Tax | Other Act | Securities Transaction Tax – Due date for deposit of tax collected for the month of October, 2026 |
| Securities Transaction Tax / Commodities Transaction Tax | Other Act | Commodities Transaction Tax – Due date for deposit of tax collected for the month of October, 2026 |
14-Nov-26
| Event | Applicable Act | Description |
| Form 132 | Income Tax Act, 2025 | Due date for issue of Certificate under section 395(4) for tax deducted at source in the month of September, 2026 |
15-Nov-26
| Event | Applicable Act | Description |
| Form 133 | Income Tax Act, 2025 | Certificate under section 395(4) for tax collected at source for the quarter ending September 30, 2026 |
| Form 137 | Income Tax Act, 2025 | Due date for furnishing of Form 137 by an office of the Government for TDS/TCS Book Adjustment Statement for the month of October, 2026 |
| Form 1 | Income Tax Act, 2025 | Monthly statement to be furnished by a stock exchange in respect of transactions in which client codes been modified after registering in the system for the month of October, 2026 |
| Form 131 | Income Tax Act, 2025 | Certificate under section 395(4) for tax deducted at source other than on salary paid to an employee under section 392 or pension or interest income of specified senior citizen under section 393(1) for the quarter ending September 30, 2026 |
21-Nov-26
| Event | Applicable Act | Description |
| All income tax returns except ITR-1, ITR-2 and ITR-4 | Income Tax Act, 1961 | “Due date for filing of return of income for the Assessment Year 2026-27 if the assessee (not having any international or specified domestic transaction) is (a) corporate assessee or (b) non corporate assessee (whose books of account are required to be audited) or (c) partner of a firm whose accounts are required to be audited) or the spouse of such partner if the provisions of section 5A applies to such spouse” |
| Form 3CEFB | Income Tax Act, 1961 | Application for Opting for Safe Harbour in respect of Specified Domestic Transactions (if the assessee is required to submit return of income on October 31, 2026) |
| Form 3CEJA | Income Tax Act, 1961 | Report from an accountant to be furnished for purpose of section 9A regarding fulfilment of certain conditions by an eligible investment fund |
| Form 3CFA | Income Tax Act, 1961 | Form for opting for taxation of income by way of royalty in respect of Patent (if due date of submission of return of income is October 31, 2026) |
| Form 3CLA | Income Tax Act, 1961 | “Report from an accountant to be furnished under sub-section (2AB) of section 35 of the Act relating to in-house scientific research and development facility (if due date of submission of return of income is October 31, 2026)” |
| Form 3CT | Income Tax Act, 1961 | Income attributable to assets located in India under section 9 of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 5C | Income Tax Act, 1961 | Details of amount attributed to capital asset remaining with the specified entity (if due date of submission of return of income is October 31, 2026) |
| Form 10BBC | Income Tax Act, 1961 | “Certificate of accountant in respect of compliance to the provisions of clause (23FE) of section 10 of the Income-tax Act, 1961 by the notified Pension Fund |
| Form 10BBD | Income Tax Act, 1961 | “Statement of eligible investment received (if due date of submission of return of income is October 31, 2026) |
| Form 10BC | Income Tax Act, 1961 | Audit report under (sub-rule (12) of rule 17CA) of the Income-tax Rules, 1962, in the case of an electoral trust (if due date of submission of return of income is October 31, 2026) |
| Form 10CCD | Income Tax Act, 1961 | Certificate under sub-section (3) of section 80QQB for authors of certain books in receipt of royalty income, etc. (if due date of submission of return of income is October 31, 2026) |
| Form 10CCE | Income Tax Act, 1961 | Certificate under sub-section (2) of section 80RRB for Patentees in receipt of royalty income, etc. (if due date of submission of return of income is October 31, 2026) |
| Form 10CCF | Income Tax Act, 1961 | Report under section 80LA(3) of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10E | Income Tax Act, 1961 | Form for furnishing particulars of income under section 192(2A) for claiming relief u/s 89 (if due date of submission of return of income is October 31, 2026) |
| Form 10-EE | Income Tax Act, 1961 | Taxation of income from retirement benefit account maintained in a notified country (if due date of submission of return of income is October 31, 2026) |
| Form 10FC | Income Tax Act, 1961 | Authorization for claiming deduction in respect of any payment made to any financial institution located in a Notified jurisdictional area. (if due date of submission of return of income is October 31, 2026) |
| Form 10H | Income Tax Act, 1961 | Certificate of foreign inward remittance (if due date of submission of return of income is October 31, 2026) |
| Form 10IA | Income Tax Act, 1961 | Certificate of the medical authority for certifying ‘person with disability’, ‘severe disability’, ‘autism’, ‘cerebral palsy’ and ‘multiple disability’ for purposes of section 80DD and section 80U (if due date of submission of return of income is October 31, 2026) |
| Form 10-IB | Income Tax Act, 1961 | Application for exercise of option under sub-section (4) of section 115BA of the Income-tax Act,1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10-IC | Income Tax Act, 1961 | Application for exercise of option under sub-section (5) of section 115BAA of the Income – tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10-ID | Income Tax Act, 1961 | Application for exercise of option under sub-section (7) of section 115BAB of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10-IEA | Income Tax Act, 1961 | Application for exercise of option under clause (i) of sub-section (6) of section 115BAC or withdrawal of option under the proviso to sub-section (6) of section 115BAC of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10-IF | Income Tax Act, 1961 | “Application for exercise of option under sub-section (5) of section 115BAD of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026)” |
| Form 10-IFA | Income Tax Act, 1961 | Application for exercise of option under sub-section (5) of section 115BAE of the IncomeTax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10IG | Income Tax Act, 1961 | Statement of Exempt income under clause (4D) of section 10 of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10IH | Income Tax Act, 1961 | Statement of income of a Specified fund eligible for concessional taxation under section 115AD of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10-II | Income Tax Act, 1961 | Statement of exempt income under clause (23FF) of section 10 of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 10-IK | Income Tax Act, 1961 | Annual Statement of Exempt Income under sub-rule (2) of rule 21AJA and taxable income under sub-rule (2) of rule 21AJAA (if due date of submission of return of income is October 31, 2026) |
| Form 56FF | Income Tax Act, 1961 | Particulars to be furnished under clause (b) of sub-section (1B) of section 10A read with clause (b) of sub-section (2) of section 10AA of the Income-tax Act, 1961 (if due date of submission of return of income is October 31, 2026) |
| Form 62 | Income Tax Act, 1961 | Certificate from the principal officer of the amalgamated company and duly verified by an accountant regarding achievement of the prescribed level of production and continuance of such level of production in subsequent years. (if due date of submission of return of income is November 30, 2026) |
30-Nov-26
| Event | Applicable Act | Description |
| All income tax returns except ITR-1, ITR-2 and ITR-4 | Income Tax Act, 1961 | Return of income for the Assessment Year 2026-27 in the case of an assessee that is required to submit a report under section 92E pertaining to international or specified domestic transaction(s) |
| Form 10-IEA | Income Tax Act, 1961 | Application for exercise of option under clause (i) of sub-section (6) of section 115BAC or withdrawal of option under the proviso to sub-section (6) of section 115BAC of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 141 | Income Tax Act, 2025 | Due date for furnishing of Challan-cum-statement of deduction of tax under section 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) and 8(vi)] in the month of October , 2026 |
| Self Assessment Tax Payment Due Date | Income Tax Act, 1961 | Payment of Self Assessment Tax (if due date of submission of return of income is November 30, 2026 |
| Form 3CEFA | Income Tax Act, 1961 | Due date to exercise option of safe harbour rules for international transaction by furnishing Form 3CEFA |
| Form 3CEAA | Income Tax Act, 1961 | Report in Form No. 3CEAA by a constituent entity of an international group for the accounting year 2025-26 |
| Form 3CEF | Income Tax Act, 1961 | Annual Compliance Report on Advance Pricing Agreement (if due date of submission of return of income is October 31, 2026) |
| Form 3CEFB | Income Tax Act, 1961 | Application for Opting for Safe Harbour in respect of Specified Domestic Transactions (if the assessee is required to submit return of income on November 30, 2026) |
| Form 3CEJA | Income Tax Act, 1961 | Report from an accountant to be furnished for purpose of section 9A regarding fulfilment of certain conditions by an eligible investment fund |
| Form 3CFA | Income Tax Act, 1961 | Form for opting for taxation of income by way of royalty in respect of Patent (if due date of submission of return of income is November 30, 2026) |
| Form 3CLA | Income Tax Act, 1961 | “Report from an accountant to be furnished under sub-section (2AB) of section 35 of the Act relating to in-house scientific research and development facility (if due date of submission of return of income is November 30, 2026)” |
| Form 3CT | Income Tax Act, 1961 | Income attributable to assets located in India under section 9 of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 5C | Income Tax Act, 1961 | Details of amount attributed to capital asset remaining with the specified entity (if due date of submission of return of income is November 30, 2026) |
| Form 10BA | Income Tax Act, 1961 | Declaration to be filed by the assessee claiming deduction under section 80GG (if due date of submission of return of income is November 30, 2026) |
| Form 10BBC | Income Tax Act, 1961 | “Certificate of accountant in respect of compliance to the provisions of clause (23FE) of section 10 of the Income-tax Act, 1961 by the notified Pension Fund” |
| Form 10BBD | Income Tax Act, 1961 | “Statement of eligible investment received (if due date of submission of return of income is November 30, 2026) |
| Form 10BC | Income Tax Act, 1961 | Audit report under (sub-rule (12) of rule 17CA) of the Income-tax Rules, 1962, in the case of an electoral trust (if due date of submission of return of income is November 30, 2026) |
| Form 10CCD | Income Tax Act, 1961 | Certificate under sub-section (3) of section 80QQB for authors of certain books in receipt of royalty income, etc. (if due date of submission of return of income is November 30, 2026 |
| Form 10CCE | Income Tax Act, 1961 | Certificate under sub-section (2) of section 80RRB for Patentees in receipt of royalty income, etc. (if due date of submission of return of income is November 30, 2026) |
| Form 10CCF | Income Tax Act, 1961 | Report under section 80LA(3) of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10E | Income Tax Act, 1961 | Form for furnishing particulars of income under section 192(2A) for claiming relief u/s 89 (if due date of submission of return of income is November 30, 2026) |
| Form 10-EE | Income Tax Act, 1961 | Taxation of income from retirement benefit account maintained in a notified country (if due date of submission of return of income is November 30, 2026) |
| Form 10FC | Income Tax Act, 1961 | Authorization for claiming deduction in respect of any payment made to any financial institution located in a Notified jurisdictional area. (if due date of submission of return of income is November 30, 2026) |
| Form 10H | Income Tax Act, 1961 | Certificate of foreign inward remittance (if due date of submission of return of income is November 30, 2026 ) |
| Form 10IA | Income Tax Act, 1961 | Certificate of the medical authority for certifying ‘person with disability’, ‘severe disability’, ‘autism’, ‘cerebral palsy’ and ‘multiple disability’ for purposes of section 80DD and section 80U (if due date of submission of return of income is November 30, 2026) |
| Form 10-IB | Income Tax Act, 1961 | Application for exercise of option under sub-section (4) of section 115BA of the Income-tax Act,1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10-IC | Income Tax Act, 1961 | Application for exercise of option under sub-section (5) of section 115BAA of the Income – tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10-ID | Income Tax Act, 1961 | Application for exercise of option under sub-section (7) of section 115BAB of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10-IF | Income Tax Act, 1961 | “Application for exercise of option under sub-section (5) of section 115BAD of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026)” |
| Form 10-IFA | Income Tax Act, 1961 | Application for exercise of option under sub-section (5) of section 115BAE of the IncomeTax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10IG | Income Tax Act, 1961 | Statement of Exempt income under clause (4D) of section 10 of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10IH | Income Tax Act, 1961 | Statement of income of a Specified fund eligible for concessional taxation under section 115AD of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10-II | Income Tax Act, 1961 | Statement of exempt income under clause (23FF) of section 10 of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 10-IK | Income Tax Act, 1961 | Annual Statement of Exempt Income under sub-rule (2) of rule 21AJA and taxable income under sub-rule (2) of rule 21AJAA (if due date of submission of return of income is November 30, 2026) |
| Form 49C | Income Tax Act, 1961 | Submission of a statement (in Form No. 49C) by non resident having a liaison office in India for the Financial Year 2025 26 |
| Form 56FF | Income Tax Act, 1961 | Particulars to be furnished under clause (b) of sub-section (1B) of section 10A read with clause (b) of sub-section (2) of section 10AA of the Income-tax Act, 1961 (if due date of submission of return of income is November 30, 2026) |
| Form 62 | Income Tax Act, 1961 | Certificate from the principal officer of the amalgamated company and duly verified by an accountant regarding achievement of the prescribed level of production and continuance of such level of production in subsequent years.(if due date of submission of return of income is October 31, 2026) |
| Form 64 | Income Tax Act, 1961 | Statement of income distribution by Venture Capital Company or Venture Capital Fund in respect of income distributed during previous Year 2025-26 (Form No. 64) |
| Statutory Forms Filling Due Date | Income Tax Act, 1961 | Statement by scientific research association, university, college or other association or Indian scientific research company as required by rules 5D, 5E and 5F (if due date of submission of return of income is November 30, 2026 ) |
