Every year, a few business owners find out they needed a tax audit only when their CA asks for the audit report — sometime in August, with weeks rather than months to spare.
Tax audit under Section 44AB applies if business turnover exceeds ₹1 crore (₹10 crore if at least 95% of receipts and payments are digital), or professional gross receipts exceed ₹50 lakh. For FY 2025-26, the audit report is due 30 September 2026.
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Quick Summary
| Category | Threshold | Audit Due Date |
| Business (standard) | Turnover above ₹1 crore | 30 September 2026 |
| Business (95%+ digital transactions) | Turnover above ₹10 crore | 30 September 2026 |
| Professionals | Gross receipts above ₹50 lakh | 30 September 2026 |
| International transactions (transfer pricing) | Any value, if applicable | Report by 31 October, ITR by 30 November |
The ₹10 Crore Digital Exemption Is Easier to Lose Than People Expect
The enhanced ₹10 crore threshold only applies if cash receipts and cash payments each stay at or below 5% of the total, checked across the entire financial year, not just at year-end. A business that runs digitally for ten months and then takes a large cash payment in March can blow past the 5% ratio for the full year without anyone noticing until the audit review — at which point the business is back under the standard ₹1 crore limit, audit required, with far less runway to prepare.
Presumptive Taxation Doesn’t Automatically Mean No Audit
If you’re under Section 44AD (business) or 44ADA (professionals) and declare profit below the prescribed presumptive rate — 8% of turnover (6% for digital receipts) for businesses, 50% of gross receipts for professionals — while your total income still exceeds the basic exemption limit, audit becomes mandatory even though you’re technically in a presumptive scheme. This is one of the more commonly missed triggers, because business owners assume presumptive taxation is a blanket exemption from audit. It isn’t, once that specific condition is met.
A Loss Doesn’t Exempt You Either
A business reporting a net loss is still required to get audited if turnover crosses ₹1 crore and the business isn’t under presumptive taxation. The audit requirement is about turnover crossing the threshold, not about whether the year was profitable.
What Happens If You Miss It
Section 271B sets the penalty at 0.5% of total turnover, sales, or gross receipts, capped at ₹1,50,000 — though Budget 2026 reframed this as a fee rather than a penalty, which changes some of the procedural handling but not the financial exposure. Reasonable-cause exceptions exist (illness, accountant resignation, genuine record loss), but these aren’t something to plan around; they’re argued after the fact, not relied on in advance.
How Far Ahead You Should Actually Start
A tax audit isn’t something a CA can compress into the final week before 30 September, particularly for a business with any complexity in its books. Reconciling a year’s transactions, verifying TDS compliance across every applicable payment, and preparing the detailed Form 3CD disclosures — covering more than 40 separate clauses — all take real time. Businesses that start the audit process in July or early August, rather than waiting for a September deadline to feel urgent, consistently end up with cleaner audit reports and fewer last-minute scrambles to explain a discrepancy nobody noticed until the final review.
Frequently Asked Questions
If my turnover is exactly ₹1 crore, do I need an audit? The threshold is “exceeding” ₹1 crore, so exactly at the limit generally doesn’t trigger it — but this is exactly the kind of boundary case worth confirming precisely rather than assuming, since turnover calculation methods can shift the figure slightly either way.
Does GST turnover and income tax turnover mean the same thing for this threshold? Not necessarily — the two can be calculated slightly differently depending on what’s included (certain exempt supplies, inter-branch transfers, and so on). Don’t assume your GST turnover figure is automatically your Section 44AB turnover figure without checking.
Can I get a tax audit done after 30 September if I missed it? Yes, technically, but the penalty exposure runs from the missed date, and a late audit also delays your ITR filing, which carries its own separate due-date pressure depending on whether you’re in the audit category.
Is the digital transaction threshold tracked automatically by my accounting software? Not reliably across most standard software — this is usually something that needs deliberate tracking through the year, particularly around large one-off cash transactions that can shift your full-year ratio.
References
- Section 44AB, Income Tax Act, 1961
- Section 271B (penalty/fee provisions)
⚠️ Confirm the current audit threshold and due date for your specific category at incometax.gov.in before relying on this for your filing — Budget changes periodically adjust both figures and procedural treatment.
If you’re in the audit category, your ITR due date shifts to 31 October as well — worth reading alongside this if you weren’t sure which deadline applies to you.
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