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Tax Audit u/s 44AB: Engagement Checklist for CAs

TL;DR for CAs - Turnover and presumptive opt-out drive tax audit applicability. - Form 3CA/3CB and 3CD disclosures must match books. - Report clauses on TDS, loans, and ratios…

Demo CA

5 Jun 2026·3 min read

Audit44ABTax Audit

TL;DR for CAs

  • Turnover and presumptive opt-out drive tax audit applicability.
  • Form 3CA/3CB and 3CD disclosures must match books.
  • Report clauses on TDS, loans, and ratios carefully.

What it is

Tax audit under Section 44AB requires a CA to report on books and prescribed particulars for eligible assessees.

Who it applies to

Businesses/professionals crossing turnover thresholds or failing presumptive conditions.

Key provisions

  • Forms 3CA/3CB and 3CD
  • Due dates linked to ITR
  • Clause-wise reporting on compliance

Practical tips for CAs

Use a clause ownership matrix. Freeze trial balance before 3CD drafting.

Common mistakes

Incomplete TDS reporting; wrong turnover computation; late upload without UDIN.


For general guidance only. Verify with the latest Finance Act, GST notifications, and ICAI guidance notes before advising clients.

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