Form 26 Tax Audit Report: TDS/TCS Disclosure in Clauses 49, 50 and 51

Starting tax year 2026-27, the form 26 tax audit report replaces Forms 3CA, 3CB and 3CD entirely under the Income Tax Act, 2025. TDS TCS disclosure Form 26 now covers three separate clauses with sharply higher data expectations than the old Clause 34 of Form 3CD.

Key Takeaways

• TDS/TCS disclosure in form 26 income tax act 2025 - it is governed by Clauses 49, 50 and 51 under Rule 47 of the Income Tax Rules, 2026
• Clause 50 replaces the old Yes/No return-filing confirmation with an exact transaction count and financial value of unreported amounts
• All section references map to the Income Tax Act, 2025 - 1961 Act numbers are no longer applicable
• UDIN is mandatory for every Form 26 signed by the Accountant under Section 515(3)(b)

What is the Form 26 Tax Audit Report?

Form 26 is the prescribed audit report under Section 63 of the Income Tax Act, 2025, read with Rule 47 of the Income Tax Rules, 2026. This applies from tax year 2026-27 onwards.

The form runs across four parts:

• Part A captures the assessee details. 
• Part B contains the ‘clause-wise particulars’ statement. 
• Part C applies where accounts have already been audited under another law, replacing Form 3CA. 
• Part D applies where no such prior audit exists, replacing Form 3CB.

Form 26 audit applicability India- This covers businesses that have turnover exceeding Rs. 1 crore - or Rs. 10 crore where cash receipts and payments each stay within 5% of total - and professionals with gross receipts above Rs. 50 lakh.

Key Changes in TDS/TCS Reporting Under Form 26

The biggest shift in the tax audit new format India is introducing for TDS/TCS reporting is this: quantification replaces qualification.

Old Clause 34(b) asked one question - were TDS/TCS returns filed? Under Clause 50 of Form 26, per FAQ 38 of the official Income Tax India FAQ document, the auditor should now report the total transactions in TDS/TCS returns after the latest correction statement, total transactions not reported, and the monetary value of every unreported transaction.

And this cannot be compiled at year-end from memory. Businesses running TDS across hundreds of deductees need system-level tracking from April 1, 2026.

What is Covered in Clause 49, 50 and 51 Tax Audit Applicability

The clause 49 50 51 tax audit structure maps to three sub-clauses of old Clause 34 with the revised scope across each.

TDS/TCS in Form 26: How Clauses 49, 50 and 51 Map to Old Form 3CD

Tax audit reporting Form 26 clauses feed directly into assessment databases. Errors here don't trigger rectification requests alone - they create assessment flags.

How to Prepare Clauses 49, 50 and 51 of Form 26: Step-by-Step Guide

1. TDS reporting Clause 49 - Compile all TANs held by the assessee and report them completely.
2. Clause 50(a) - Determine TDS/TCS suitability under Chapter XIX-B; a "Yes" triggers the Part B schedule
3. TCS reporting Clause 50(b) - Pull TRACES data from the post-correction statement; reconcile against books to identify unreported transactions by count and value. For updated rates from April 2026, refer to ClearTax's TDS and TCS Changes from 1st April 2026
4. Clause 50(c) - Calculate interest under Section 398(3)(a) separately for late deduction, non-deduction and late deposit
5. Clause 51 - Report disallowances under Section 35(b) for TDS defaults in schedule format
6. UDIN - No Form 26 is valid without a UDIN from the signing Accountant

For old format reference, see ClearTax's Form 3CD: Applicability, Format and Key Tax Audit Clauses and Tax Audit: Forms 3CA, 3CB, 3CD, 3CE.

The form 26 tax audit India framework under the Income Tax Act, 2025 moves compliance from declaration to demonstration. Businesses that build structured TDS tracking into their workflow now are the ones who'll have nothing to defend at audit time.