Overview on Income Tax Audit – Threshold Limits
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Overview on Income Tax Audit – Threshold Limits (When Tax Audit Is Not Required)
A tax audit u/s 44AB may not be required if the taxpayer falls within the prescribed turnover/gross receipts limits and complies with the relevant presumptive taxation provisions. Tax audit applicability depends not only on turnover or gross receipts but also on whether the taxpayer opts for presumptive taxation, the proportion of digital transactions, and compliance with the prescribed cash transaction limits. Businesses and professionals should review these thresholds carefully before determining their tax audit obligations.
Tax Audit Under Section 44AB
The primary objective of a tax audit is to ensure proper maintenance of books of accounts, verify the accuracy of income, deductions and taxes reported in the Income Tax Return, identify discrepancies, and confirm compliance with income tax provisions. Tax audit reports are furnished by a Chartered Accountant in Form 3CA or Form 3CB, along with Form 3CD, which contains detailed financial and tax-related disclosures. Form 3CA applies where accounts are already audited under another law, while Form 3CB applies where no statutory audit exists; Form 3CD is mandatory in both cases.
Tax Audit Threshold Limits
- Normal Business – INR 1 Crore
- No tax audit required if Turnover does not exceed INR 1 crore, and Taxpayer opts for Section 44AD and declares income at the prescribed rate (8%/6%), or Total income is below the basic exemption limit.
- Professionals – INR 50 Lakh (Section 44ADA)
- No tax audit required if Gross receipts do not exceed INR 50 lakh, and Professional opts for Section 44ADA.
- Professionals – INR 75 Lakh (Digital Transactions)
- No tax audit required if Gross receipts do not exceed INR 75 lakh, and Professional opts for Section 44ADA, and Cash receipts do not exceed 5% of total receipts.
- Business – INR 2 Crore (Section 44AD)
- No tax audit required if turnover does not exceed INR 2 crore, and taxpayer opts for Section 44AD.
- Business – INR 3 Crore (Digital Transactions)
- No tax audit required if turnover does not exceed INR 3 crore, Taxpayer opts for Section 44AD, Cash receipts do not exceed 5%, and Cash payments do not exceed 5% of total payments.
- General Business – INR 10 Crore
- No tax audit required if turnover does not exceed INR 10 crore, cash receipts do not exceed 5% of total receipts, and Cash payments do not exceed 5% of total payments.
Key Points Related to Tax Audit – Threshold Limits
For FY 2025-26 (AY 2026-27), the tax audit report is generally required to be filed by 30 September 2026, while taxpayers having specified international or domestic transfer pricing transactions generally get time up to 31 October 2026. Failure to obtain or file the tax audit report may attract a penalty under Section 271B, equal to 0.5% of turnover/gross receipts or INR 1,50,000, whichever is lower, although relief may be available where a reasonable cause exists, such as natural disasters, illness, loss of records, or resignation of the auditor.
A tax audit becomes applicable when turnover, gross receipts, or presumptive taxation conditions u/s 44AD, 44ADA, & 44AE trigger audit requirements. Businesses crossing prescribed turnover thresholds & professionals exceeding receipt limits, or those declaring profits lower than presumptive taxation norms, may be required to undergo a tax audit.
Non-compliance can lead not only to penalties but also to scrutiny, disallowance of deductions, interest liability, and other adverse tax consequences. Under the Income Tax Act, 2025, Section 44AB has been renumbered as Section 63.
The following are key highlights of tax audit:
- Higher turnover limits are available for taxpayers with predominantly digital transactions.
- Presumptive taxation schemes u/s 44AD & 44ADA provide significant relief from tax audit requirements.
- The INR 10 crore threshold is available only where both cash receipts and cash payments remain within the 5% limit.
- Tax Audit – Threshold Limits Quick Reference table
| Category | Limit |
| Normal Business | INR 1 Crore |
| Professional (44ADA) | INR 50 Lakh |
| in case Professional (44ADA + Digital) | INR 75 Lakh |
| Business (44AD) | INR 2 Crore |
| In case Business (44AD + Digital) | INR 3 Crore |
| General Business (Digital Transactions) | INR 10 Crore |
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