Taxation & Compliance
September 2026 Tax Calendar: Important Income Tax Due Dates
| 7th Sep | Due date of Deposit of TDS/ TCS for the Month of Aug, 2026 |
| 7th Sep | Uploading of declarations received in Form No. 127 (Income-tax Rules, 2026) from the buyer in the month of August, 2026 |
| 14th Sep | Issue of certificate in Form No. 132 (Income-tax Rules, 2026) under section 395(4) of the Income-tax Act 2025 for tax deducted at source under section 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] of the Income-tax Act, 2025 in the month of July, 2026 |
| 15th Sep | 2nd instalment of advance tax for the Tax Year 2026-27 |
| 30th Sep | Furnishing report under section 115JB (Income-tax Act, 1961) in Form No. 29B (Income-tax Rules, 1962) for computing the book profits of the company during the previous year 2025-26 (if the assessee is required to submit return of income on October 31, 2026) |
| 30th Sep | Furnishing report under section 115JC (Income-tax Act, 1961) in Form No. 29C (Income-tax Rules, 1962) for computing Adjusted Total Income and Alternate Minimum Tax of the person other than company during the previous year 2025-26 (if the assessee is required to submit return of income on October 31, 2026) |
| 30th Sep | Furnishing of the report in Form No. 3CEA (Income-tax Rules, 1962) relating to computation of capital gains in case of slump sale taxable under section 50B (Income-tax Act, 1961) (if the assessee is required to submit return of income on October 31, 2026) |
| 30th Sep | Furnishing of certificate in Form No. 10-IJ (Income-tax Rules, 1962) issued by a Chartered Accountant certifying the annual statement of exempt income of the specified fund, being a category-III AIF, under section 10(23FF) (Income-tax Act, 1961) (if the assessee is required to submit the return of income on or before October 31, 2026) |
| 30th Sep | Furnishing of Audit Report in Form No. 10CCB (Income-tax Rules, 1962) by assessee claiming deduction under section 80-I, 80-IA, 80-IB or section 80-IC (Income-tax Act, 1961) (if the assessee is required to submit the return of income on or before October 31, 2026) |
| 30th Sep | Furnishing report in Form No. 10DA (Income-tax Rules, 1962) certifying the claim for additional employee cost under section 80JJAA (Income-tax Act, 1961) during the previous year 2025-26 (if the assessee is required to submit return of income on or before October 31, 2026) |
| 30th Sep | Due date for filing of audit report under section 44AB (Income-tax Act, 1961) for the assessment year 2026-27 in the case of a corporate-assessee or non-corporate assessee (who is required to submit his/its return of income on October 31, 2026) |
| 30th Sep | Furnishing of Audit report in Form No. 10B/10BB (Income-tax Rules, 1962) by a fund or trust or institution or any university or other educational institution or any hospital or other medical institution |
| 30th Sep | Furnishing audit report in Form No. 3AC (Income-tax Rules, 1962) by assessee claiming deduction under section 33AB (Income-tax Act, 1961) for the previous year 2025-26 (if the assessee is required to submit return of income on October 31, 2026) |
Administrator
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Raghu Marwah
Chartered Accountant | International Taxation, FEMA & Corporate Advisory
Raghu Marwah is a Chartered Accountant, leading the firm's Consultancy Services and International Taxation practice. He advises Indian and international businesses on FEMA and RBI regulations, cross-border taxation, transfer pricing, India-entry strategies and overseas expansion. His professional experience also includes audit, tax compliance, M&A transactions across India and International Markets.