ITR filing (audit cases) due date: 31 Oct 2026
ITR-3, 5, 6 with 3CA/3CB-3CD · Taxpayers liable to tax audit under 44AB
Taxpayers whose accounts must be audited under section 44AB file the tax audit report by 30 September and the return by 31 October following the financial year.
If you miss it
₹5,000 under 234F; 0.5% of turnover up to ₹1,50,000 for late audit report under 271B
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Last verified 1 Sept 2026
Against incometaxindia.gov.in. Updated within 24 hours of any extension.
Tax audit applies when business turnover exceeds ₹1 crore (₹10 crore with 95% digital transactions) or professional receipts exceed ₹50 lakh (₹75 lakh with 95% digital), and in certain presumptive opt-out cases. Audit reports are signed by Chartered Accountants; we coordinate with empanelled CAs.
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ITR for Business and Proprietorship
Shops, traders, agencies with books of account
3 to 5 business days
ITR filing (audit cases): questions
What is the tax audit due date?
The audit report (Form 3CA/3CB with 3CD) by 30 September 2026 and the return by 31 October 2026 for FY 2025-26.