Tax Audit for Proprietorship
A Tax Audit is an examination of a business’s financial records to ensure compliance with Income Tax laws. For proprietorship businesses, tax audits are conducted under Section 44AB of the Income Tax Act, 1961 when turnover exceeds specified limits.
Who Needs a Tax Audit?
A proprietorship is required to undergo a tax audit if:
- Business Turnover exceeds ₹1 crore (for the previous financial year).
- If cash transactions are less than 5%, the threshold increases to ₹10 crores.
- Professional Income exceeds ₹50 lakhs in a financial year.
- Profit is below 6% (for digital transactions) or 8% (for cash transactions) under the Presumptive Taxation Scheme (Section 44AD/44ADA).
- If the taxpayer has claimed losses and wants to carry them forward.
Process of Tax Audit for Proprietorship
- Maintaining Proper Books of Accounts
- Ledgers, profit & loss statements, balance sheets, and cash books must be maintained.
- Appointment of a Chartered Accountant (CA)
- Only a CA is authorized to conduct a tax audit.
- Preparation of Audit Report
- The auditor verifies income, expenses, and tax calculations.
- Discrepancies, if any, are highlighted.
- Filing of Tax Audit Report
- The CA submits Form 3CA/3CB & 3CD electronically to the Income Tax Department.
- Income Tax Return (ITR) Filing
- After the audit, the proprietorship must file ITR-3 or ITR-4 before the due date.
Due Date for Tax Audit
- Tax Audit Report Submission – 30th September of the assessment year.
- Income Tax Return (ITR) Filing – 31st October (if tax audit is applicable).
Penalty for Non-Compliance
Failure to conduct a tax audit attracts a penalty under Section 271B:
- ₹1,50,000 or 0.5% of turnover, whichever is lower.









