Section 44AB tax audit rules for FY 2025-26 (AY 2026-27): turnover limits, the ₹50L vs ₹75L mix-up cleared up, Section 63 explained, and penalties.
If your business turnover has crossed ₹1 crore, or your professional receipts have gone past ₹50 lakh, you probably need a tax audit this year. So does anyone who's declared profit below the presumptive rate while carrying taxable income. This guide walks through the real numbers, the dates that matter, and the one change almost nobody is talking about yet.
Here's the short version: income you earned in FY 2025-26 gets assessed as AY 2026-27, and that return is still governed by the Income-tax Act, 1961. The Income-tax Act, 2025 started on 1 April 2026, so it covers what you earn from that date forward, not last year's numbers. So for the audit you're worrying about right now, Section 44AB is your section, not the new Act's Section 63.
Confused about how the two Acts line up more broadly? We've mapped out the transition from the 1961 Act to the 2025 Act if you want the fuller picture.
Section 44AB of the Income-tax Act, 1961 makes a tax audit compulsory once your business or professional income crosses set limits. A practising Chartered Accountant does the audit and certifies your books through Form 3CA or 3CB, backed by Form 3CD. Under the Income-tax Act, 2025, this becomes Section 63 — and the Income Tax Department has confirmed the thresholds stay identical, it's purely a renumbering. That new provision only kicks in from Tax Year 2026-27 onward, filed in 2027, using a new consolidated Form 26 that merges 3CA, 3CB, and 3CD into one form.
Applies to | Does NOT apply to |
|---|---|
Businesses with turnover over ₹1 crore (or over ₹10 crore if cash receipts and cash payments each stay under 5%) | Businesses under ₹1 crore turnover with no presumptive opt-out issue |
Professionals — doctors, CAs, architects, consultants — with gross receipts over ₹50 lakh | Salaried individuals with no business or professional income |
44AD/44ADA/44AE taxpayers declaring profit below the deemed rate, with total income above the exemption limit | Taxpayers correctly declaring at or above the 6%/8%/50% presumptive rate |
Anyone exiting 44AD within its 5-year lock-in, with taxable income that year | Companies or LLPs already audited under the Companies Act (they still file Form 3CA, just skip a second audit) |
One thing worth flagging: partnership firms below the threshold don't need a 44AB audit, but firms get zero basic exemption, so every rupee of profit is taxable regardless of audit status. If you're still unsure which return form fits once you know your audit status, our ITR-1 vs ITR-4 guide breaks down the 44AD/44ADA eligibility split in detail.
Business — Section 44AB(a): turnover, sales, or gross receipts over ₹1 crore. This rises to ₹10 crore only when cash receipts stay under 5% of total receipts and cash payments stay under 5% of total payments. Both conditions have to hold, not just one.
Profession — Section 44AB(b): gross receipts over ₹50 lakh. Flat figure, no digital-transaction bump.
Don't mix up ₹50 lakh with ₹75 lakh. A lot of readers trip on this, and honestly a few well-known websites get it wrong too. The direct audit threshold for professionals under 44AB(b) is a flat ₹50 lakh — there's no enhanced version of this number for digital receipts. ₹75 lakh belongs to a different rule entirely: it's Section 44ADA's presumptive-scheme ceiling, available only when 95% or more of your receipts are digital. Cross ₹75 lakh and you lose eligibility for 44ADA — that's a different consequence from crossing the ₹50 lakh audit trigger.
Presumptive scheme interplay — 44AB(d) and (e):
Under 44AD (business, turnover up to ₹2 crore, or ₹3 crore with 95%+ digital transactions), declaring under 8% profit (6% for digital receipts) while your total income sits above the exemption limit triggers 44AB(e).
Under 44ADA (specified professionals, receipts up to ₹50 lakh, or ₹75 lakh with 95%+ digital), declaring under 50% profit with taxable total income triggers 44AB(d).
Want to run your own numbers instead of doing this by hand? Try our free Section 44AB Tax Audit Applicability Checker — enter your turnover, digital transaction ratio, and entity type, and it tells you where you stand.
Here's a genuine gap in most coverage of this topic. Under the current Section 44AB, a business eligible for presumptive taxation that never opted into 44AD at all could keep regular books, declare profit below the 6%/8% deemed rate, and still face no audit obligation. That's because clause (e) only fires when someone opted in and then fell short — never opting in meant the clause simply never applied. It was a real, legal gap.
Section 63 of the new Act closes it. The audit trigger becomes the profit level itself, regardless of whether you ever chose the presumptive scheme. This doesn't touch your FY 2025-26 filing at all — it only applies from Tax Year 2026-27. But if your books have quietly relied on this gap, now's the time to plan ahead, not September 2027.
Example 1 — the common case. Ramesh runs a hardware trading business with turnover of ₹1.5 crore in FY 2025-26. Both his cash receipts and cash payments come to 8% of the total, above the 5% cutoff. So the ₹10 crore enhanced limit doesn't apply, and the standard ₹1 crore threshold does. Since ₹1.5 crore exceeds ₹1 crore, he needs a tax audit regardless of whether he made a profit or a loss. Had his cash dealings stayed under 5% both ways, the same turnover would sit safely under ₹10 crore and no audit would be needed.
Example 2 — the edge case competitors skip. Suresh runs a small trading business with ₹80 lakh turnover, under the ₹1 crore mark. He's never opted into Section 44AD. His declared profit is ₹4 lakh — about 5% of turnover, below the 8% deemed rate — and his total income, including other sources, crosses the ₹2.5 lakh exemption limit. Under the current Section 44AB, this triggers no audit, because clause (e) only fires for someone who opted into 44AD and fell short; Suresh never opted in. From Tax Year 2026-27, under Section 63, the same numbers would mandate an audit, since the new trigger looks only at profit level, not whether he opted in.
There's no single formula here, it's a decision tree. Walk through it in order:
Are you a business or a professional? Different flat thresholds apply.
What's your turnover or gross receipts for FY 2025-26?
If business: do both cash receipts and cash payments stay under 5% of totals? Yes means ₹10 crore threshold; no means ₹1 crore.
Have you opted into 44AD, 44ADA, or 44AE? If yes, are you declaring at or above the deemed rate?
Is your total income, after deductions, above the basic exemption limit for your age category?
If step 2 crosses your threshold, or steps 4 and 5 together say "below deemed rate and taxable," you need an audit.
You filed the wrong form — 3CA instead of 3CB, or the other way round. You can revise the tax audit report on the e-filing portal before the due date. Your CA logs in, selects "Revise," corrects the form type, and re-uploads. You then need to accept the revised report again from your own login before it counts as filed.
You missed the deadline. File the audit immediately regardless — a late report still limits your exposure far more than never filing. At the same time, check whether Section 273B's "reasonable cause" defence applies to you. Genuine illness, a natural calamity, or records lost to theft or fire are commonly accepted grounds, though nothing is automatic and you'll need supporting proof.
Your CA is already at capacity. From 1 April 2026, ICAI caps each CA, or each partner in a firm, at 60 tax audit assignments per financial year, not counting 44AD/44ADA/44AE audits. If your usual CA is already full, appoint someone else early. Don't wait until August, since most CAs' quotas fill up well before the September rush.
Keep these ready: complete books of account (cash book, ledgers, journal), all bank statements for the year, sales and purchase invoices, GSTR-1 and GSTR-3B returns for reconciliation, stock records if applicable, and Form 26AS or AIS for TDS cross-checking. Digital copies work fine for all of these. Your CA will also need your PAN, Aadhaar, and prior-year audit reports if this isn't your first audit.
Skip the audit, or file the report late, and Section 271B applies: 0.5% of total turnover or gross receipts, or ₹1,50,000, whichever is lower. On a ₹5 crore turnover, 0.5% works out to ₹2,50,000, but the actual levy caps at ₹1,50,000. On an ₹80 lakh turnover, it's ₹40,000, since that's lower than the cap.
One update worth knowing: Budget 2026 proposes reclassifying this charge from a "penalty" to a "fee." The amount doesn't change, but a fee is generally harder to contest through litigation than a discretionary penalty. That shift only takes effect once the new Act's own structure applies, from Tax Year 2026-27. For your FY 2025-26 filing, it's still levied as a penalty under Section 271B of the 1961 Act. No levy applies if you can show reasonable cause under Section 273B.
It's ₹50 lakh under Section 44AB(b), with no digital enhancement. ₹75 lakh is a separate number — it's the receipts ceiling for staying eligible under the 44ADA presumptive scheme when 95% or more of receipts are digital. Crossing ₹75 lakh loses you 44ADA eligibility; it has nothing to do with your ₹50 lakh audit trigger.
Yes, once turnover crosses the applicable threshold. A trader with ₹1.3 crore turnover and a ₹3 lakh loss still needs an audit, since the trigger is turnover, not profit or loss, once you're outside the presumptive scheme.
30 September 2026 for the audit report, one month before the ITR due date for audit cases, which is 31 October 2026. Transfer pricing cases under Section 92E get a slightly later window, running up to 30 November 2026 for the ITR.
File the report immediately, regardless of the delay. A late report still limits your penalty exposure compared to never filing at all. Then gather documentation for any genuine reasonable cause — illness, calamity, lost records — to claim relief under Section 273B if the Assessing Officer reviews your case.
Form 3CA applies when your accounts are already mandatorily audited under another law, like the Companies Act. Form 3CB applies when there's no other mandatory audit and your CA is independently certifying your accounts for the first time under 44AB.
No. Section 44AD is available only to resident individuals, Hindu Undivided Families, and partnership firms — not LLPs, not companies. Those entities fall under the standard business threshold in 44AB(a) regardless of turnover size.
It's not about your compliance directly, but it affects CA availability. From FY 2026-27, each CA or partner can sign a maximum of 60 tax audits a year, excluding presumptive-scheme audits. Book your CA early in the season instead of waiting until closer to September.
Yes, but exiting 44AD within its five-year lock-in period, with taxable income that year, triggers a mandatory audit under 44AB(e) — even if your turnover stays well under ₹1 crore.
Not necessarily. GST turnover can include exempt supplies or zero-rated exports that don't count the same way under the Income Tax Act. Always apply the Income Tax Act's own definition of turnover — sales and gross receipts, excluding taxes and trade discounts — when checking your 44AB liability.
Nothing changes for your FY 2025-26 filing, which stays under Section 44AB of the 1961 Act. From Tax Year 2026-27, Section 63 closes an old gap where businesses that never opted into 44AD could avoid audit despite low declared profit. Plan your books now if this applies to you.
Separately, but linked. Your CA uploads the audit report first through their own e-filing login, you accept it in your own taxpayer login, and only then can your ITR reference it. Filing the ITR before the audit report is accepted can get your return treated as defective.
From Tax Year 2026-27, tax audits move to a single consolidated Form 26, which merges the current Form 3CA, 3CB, and 3CD into one structured form with standardised schedules. For FY 2025-26 (AY 2026-27), you still use the existing 3CA/3CB/3CD forms.
Check your FY 2025-26 turnover or gross receipts against the ₹1 crore, ₹10 crore, or ₹50 lakh limits today, don't leave it for September. Run the numbers with our Section 44AB Tax Audit Applicability Checker, and if an audit applies to you, book your CA now before the ICAI's 60-audit cap fills up their calendar. For the official position, see the Income Tax Department's FAQ on tax audit under the new Act.
For educational purposes only. Verify all figures at official sources before acting. Toolisky is not affiliated with any government body. Consult a qualified CA or legal professional before making compliance decisions. See toolisky.com/accuracy-and-limitations.
Corporate Tax Rate in India ranges from 15%, 22%, 25%, or 30%. Find your applicable rate and calculate total tax liability online.
Jun 22, 2026
No TAN for NRI property purchase applies only from 1 October 2026, and only to resident individual and HUF buyers. Get the rates, forms, and dates you need.
Jul 25, 2026
Did you lose the SGB premature redemption tax exemption? Here's exactly who's affected, how much tax applies now, and how to check your own bonds.
Jul 24, 2026
