Tax Audit Under Section 44AB — Thresholds, Report & Compliance
By Parul Singh, GST Practitioner · Tax Audit · Updated June 2026
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Who Needs Tax Audit Under Section 44AB?
Tax audit applies above ₹1 crore turnover. I conduct 50+ yearly. Missing deadline means 0.5% turnover penalty. Section 44AB mandates tax audit for businesses and professionals crossing certain thresholds:
Official Reference: Section 44AB of the Income Tax Act 1961 prescribes tax audit requirements. The threshold for business is ₹1 crore (₹10 crore if 95%+ receipts/payments are through banking channels). For profession, the threshold is ₹50 lakh gross receipts. The audit must be conducted by a CA and the report filed by 30th September.
| Category | Threshold |
|---|---|
| Business (regular) | ₹1 crore turnover |
| Business (95%+ digital transactions) | ₹10 crore turnover |
| Profession | ₹50 lakh gross receipts |
| Presumptive (lower income claimed) | If claiming lower than 8%/6% under 44AD |
| Profession presumptive (lower income) | If claiming lower than 50% under 44ADA |
📍 Real Example — Digital Transaction Threshold — Karol Bagh Online Seller
A Karol Bagh-based online seller with ₹5 crore turnover does 98% of transactions digitally (bank transfers, UPI, online payments). Since digital transactions exceed 95%, the tax audit threshold is ₹10 crore — not ₹1 crore. He does NOT need tax audit! This saved him ₹25,000 in audit fees and significant compliance burden.
Tax Audit Forms
| Form | When Used | Key Contents |
|---|---|---|
| Form 3CA | Business already maintaining books under any law | Audit report + Form 3CD |
| Form 3CB | Business not required to maintain books under any law | Audit report + Form 3CD |
| Form 3CD | Mandatory with every tax audit | 44 detailed clauses covering all aspects |
⚠️ Common Mistake: Form 3CD has 44 clauses — and each one must be answered correctly. Common errors: wrong reporting of Section 40A disallowances, incorrect depreciation computation, missing TDS default reporting (Clause 34). An inaccurate Form 3CD can trigger scrutiny assessment under Section 143(3).
Tax Audit Process
- Appoint a CA — must be a practicing Chartered Accountant
- Submit books and documents — financial statements, bank statements, invoices, GST returns
- CA examines records — checks compliance, computes adjustments
- CA prepares Form 3CD — 44-clause detailed report
- CA issues audit report — Form 3CA or 3CB
- Upload audit report on IT portal — CA uploads, taxpayer accepts
- File ITR — after audit report acceptance
📍 Real Example — Tax Audit Findings — Okhla Manufacturing Unit
During a tax audit of an Okhla manufacturer with ₹3 crore turnover, I found:
• Cash payment to supplier ₹35,000 (Section 40A(3) disallowance)
• TDS not deducted on ₹2 lakh rent (Section 40(a)(ia) disallowance)
• Excess depreciation claimed: ₹45,000
• Total additions: ₹2,80,000 → Additional tax: ₹84,000
We reported these in Form 3CD and the client paid the additional tax voluntarily — avoiding penalty under Section 271(1)(c) for concealment.
• Cash payment to supplier ₹35,000 (Section 40A(3) disallowance)
• TDS not deducted on ₹2 lakh rent (Section 40(a)(ia) disallowance)
• Excess depreciation claimed: ₹45,000
• Total additions: ₹2,80,000 → Additional tax: ₹84,000
We reported these in Form 3CD and the client paid the additional tax voluntarily — avoiding penalty under Section 271(1)(c) for concealment.
Due Date & Penalty
- Tax audit report due date: 30th September of assessment year
- ITR filing (audit cases): 31st October of assessment year
- Penalty for non-compliance (Section 271B): 0.5% of turnover or ₹1,50,000, whichever is lower
💡 Pro Tip from Parul: For a ₹5 crore business, missing the tax audit deadline means penalty of ₹1.5 lakh (0.5% of ₹5 crore = ₹25 lakh, capped at ₹1.5 lakh). That is a significant amount for a compliance miss. I complete all audits by August to leave buffer time. Call/WhatsApp: +91 95401 04776
Tax Audit Preparation Tips
- Start 2 months before deadline — CA needs time to examine records
- Ensure all books are complete — no missing months or entries
- Reconcile GST with income — turnover must match across returns
- Check TDS compliance — Clause 34 reports all defaults
- Verify depreciation schedule — compare with Section 32 rates
- Document all loans and advances — Clause 26 requires details
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Frequently Asked Questions
Can I do my own tax audit?
No. Section 44AB requires the audit to be conducted by a practicing Chartered Accountant. You cannot audit your own accounts. However, you should prepare your books and reconciliation before engaging a CA to reduce professional fees.
What is the cost of a tax audit?
Professional fees range from ₹15,000 to ₹1,00,000+ depending on turnover, complexity, and number of clauses requiring attention. For a simple ₹1-2 crore business, expect ₹15,000-25,000. For manufacturing with inventory, ₹30,000-50,000.
What if I opt for presumptive taxation?
If you opt for Section 44AD (business) or 44ADA (profession) and declare the prescribed minimum income, tax audit is NOT required. Audit is needed only if you claim lower income than the presumptive rate. This is the biggest benefit of presumptive taxation.
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