Compliance•6 min read•Published: November 2025•TaxVani Advisory Team

Tax Audit Applicability under Section 44AB: Turnover Limits & Presumptive Scheme Rules

Understand statutory turnover thresholds under Section 44AB, the 5% cash transaction limit, and presumptive taxation rules under Section 44AD and 44ADA.

Educational Notice: The information in this publication is provided for general informational and educational purposes only. It does not constitute formal tax, accounting, or legal advice. Specific facts should be evaluated by a qualified professional.

Executive Key Takeaways

Standard business tax audit threshold is ₹1 Crore; extended to ₹10 Crores if cash transactions are within 5% of total receipts/payments.
Professionals require audit if gross receipts exceed ₹50 Lakhs (or ₹75 Lakhs under Section 44ADA if cash receipts do not exceed 5%).
Tax Audit report in Form 3CA/3CB and Form 3CD must be filed by September 30 of the Assessment Year.
Failure to complete tax audit within due date attracts penalty under Section 271B of 0.5% of turnover (maximum ₹1.5 Lakhs).

Section 44AB of the Income Tax Act mandates that taxpayers carrying on business or profession whose turnover exceeds prescribed statutory limits must have their books of account audited by a practicing Chartered Accountant.

To promote digital transactions, the threshold is ₹10 Crores for businesses provided aggregate cash receipts and cash payments do not exceed 5% of total transactions. For taxpayers operating under presumptive taxation (Section 44AD/44ADA), opting out while declaring profits below statutory rates triggers audit requirements.

Preparation for a tax audit involves detailed ledgers, reconciliation of TDS returns (Form 26AS/AIS), stock registers, and documentation of loans received or repaid under Section 269SS/269T.

Statutory References & Official Framework

Income Tax Act, 1961 (Section 44AB - Mandatory Tax Audit)
Sections 44AD, 44ADA, and 44AE - Presumptive Taxation Schemes
Section 271B - Penalty for Failure to Get Accounts Audited

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Executive Key Takeaways

Standard business tax audit threshold is ₹1 Crore; extended to ₹10 Crores if cash transactions are within 5% of total receipts/payments.

Professionals require audit if gross receipts exceed ₹50 Lakhs (or ₹75 Lakhs under Section 44ADA if cash receipts do not exceed 5%).

Tax Audit report in Form 3CA/3CB and Form 3CD must be filed by September 30 of the Assessment Year.

Failure to complete tax audit within due date attracts penalty under Section 271B of 0.5% of turnover (maximum ₹1.5 Lakhs).

Preparation for a tax audit involves detailed ledgers, reconciliation of TDS returns (Form 26AS/AIS), stock registers, and documentation of loans received or repaid under Section 269SS/269T.