Income Tax Law / Tax Audit

Section 44AB of Income Tax Act: Tax Audit Limits, Applicability, Forms and Penalties

Section 44AB of the Income-tax Act, 1961 requires specified businesses and professionals to have their accounts audited and furnish the prescribed tax audit report. This guide explains the turnover thresholds, presumptive-taxation exceptions, audit reporting and consequences of non-compliance.

Tax-year applicability: Section 44AB belongs to the Income-tax Act, 1961. The Income-tax Act, 2025 applies from 1 April 2026, subject to transitional provisions. For a particular return or audit, check the law applicable to that tax year and the latest notifications on the Income Tax e-Filing Portal. This article describes Section 44AB for years governed by the 1961 Act and does not treat it as the operative section number under the 2025 Act.

Tax audit limits under Section 44AB

Category	Relevant threshold / condition	Legal basis
Business (general rule)	Total sales, turnover or gross receipts exceed Rs. 1 crore in the previous year.	Section 44AB(a)
Business with limited cash transactions	The Rs. 1 crore threshold is substituted by Rs. 10 crore if aggregate cash receipts and aggregate cash payments each do not exceed 5% of their respective totals, subject to the statutory rules.	Proviso to Section 44AB(a)
Profession	Gross receipts exceed Rs. 50 lakh in the previous year.	Section 44AB(b)
Specified presumptive-taxation cases	Audit can be triggered where income is declared below the prescribed presumptive amount or Section 44AD(4) applies, with applicable additional conditions.	Section 44AB(c), (d), (e)

Important: “Exceeds” means the threshold is crossed; being exactly at a threshold does not trigger that particular turnover-based clause. Tax audit may still arise under another clause. For the 5% cash test, non-account-payee cheques and bank drafts are treated as cash under the relevant statutory explanation.

Section 44AB: Clause-by-clause explanation

Section 44AB(a): Business turnover

Businesses ordinarily need a tax audit if annual sales, turnover or gross receipts exceed Rs. 1 crore. The higher Rs. 10 crore threshold applies only if both cash receipts and cash payments stay within the 5% limits. The conditions are tested independently: meeting only one of them is insufficient.

Section 44AB(b): Professional receipts

Professionals whose gross receipts exceed Rs. 50 lakh are generally covered by this clause. Professionals eligible for presumptive taxation under Section 44ADA should separately review its eligibility limits and the conditions in Section 44AB(d). The increased presumptive scheme ceiling of Rs. 75 lakh, where cash receipts do not exceed the specified 5% limit, is not itself a blanket amendment of the Rs. 50 lakh threshold in Section 44AB(b).

Section 44AB(c): Lower profit under Sections 44AE, 44BB or 44BBB

Where profits are deemed under Section 44AE, Section 44BB or Section 44BBB, claiming a lower amount may bring the taxpayer within the audit requirement.

Section 44AB(d): Lower professional profit under Section 44ADA

A person to whom Section 44ADA applies who declares income below the deemed presumptive profit and whose total income exceeds the basic exemption limit may be required to undergo tax audit. Eligibility and the relevant income conditions must be checked together.

Section 44AB(e): Section 44AD(4) restrictions

Tax audit can apply where the five-year restriction under Section 44AD(4) is attracted and total income exceeds the basic exemption limit. This is distinct from the normal turnover test.

Provisos: Presumptive business and special categories

The provision includes relief for qualifying persons declaring profits under Section 44AD within the relevant presumptive scheme turnover ceiling. That ceiling is generally Rs. 2 crore and can be Rs. 3 crore when cash receipts meet the prescribed 5% test. The statute also contains exclusions for specified income under Sections 44B and 44BBA, and rules where accounts are already audited under another law.

Tax audit report, forms and filing deadline

Form 3CA: Generally used where accounts are required to be audited under another law.
Form 3CB: Generally used where no separate audit under another law is required.
Form 3CD: Statement of prescribed tax particulars accompanying the audit report.
Rule 6G: Prescribes the relevant tax audit report forms and particulars.
Specified date: For Section 44AB, ordinarily one month before the applicable due date for furnishing the return under Section 139(1), subject to changes, extensions and special cases.

The report is furnished electronically through the income-tax e-filing system by the eligible accountant and must be accepted by the taxpayer through the portal. Consult the official e-filing portal for the deadline and filing process applicable to the particular tax year.

Practical tax audit examples

Situation	Indicative treatment
Business turnover Rs. 1.6 crore; cash receipts 2%; cash payments 3%	Ordinarily below the special Rs. 10 crore threshold, so clause (a) alone would not require audit; review other clauses.
Business turnover Rs. 1.6 crore; cash receipts 8%; cash payments 2%	Higher threshold fails because the receipts condition is not met; clause (a) audit ordinarily applies.
Professional receipts Rs. 58 lakh	Exceeds the Rs. 50 lakh limit under clause (b); examine applicable statutory conditions.
Business turnover Rs. 11 crore; cash receipts and payments each 1%	Exceeds the Rs. 10 crore threshold; clause (a) audit ordinarily applies.

These illustrations simplify the statutory rules and assume no separate exception, notification or special taxpayer circumstance changes the result.

Failure to comply: Section 271B and reasonable cause

For a failure covered by Section 271B, the prescribed penalty is generally the lower of 0.5% of total sales, turnover or gross receipts and Rs. 1,50,000. Under Section 273B, a penalty may not be imposed if the taxpayer establishes reasonable cause for the failure. A delayed or omitted tax audit should be addressed promptly with appropriate professional advice.

Definitions and connected provisions

Tax audit: An examination of specified accounts and tax particulars by an eligible accountant to meet the statutory reporting requirement.
Previous year: The financial year in which the income is earned, as understood under the 1961 Act.
Accountant: Defined by reference to the Explanation below Section 288(2), subject to its eligibility and independence conditions.
Turnover or gross receipts: Determined on the facts and applicable tax audit guidance; these expressions are not interchangeable in every business.
Section 44AA: Books of account requirements. Read Section 44AA.
Section 139(1): Return filing due dates, relevant to the tax audit specified date.

Frequently asked questions

What is the tax audit turnover limit for a business under Section 44AB?

Ordinarily, a business with turnover or gross receipts exceeding Rs. 1 crore is covered. The threshold becomes Rs. 10 crore when cash receipts and cash payments each do not exceed 5% of their respective totals, subject to statutory conditions.

What is the tax audit limit for professionals?

A person carrying on a profession is ordinarily required to obtain a tax audit if professional gross receipts exceed Rs. 50 lakh, subject to the applicable presumptive-taxation provisions.

Is a tax audit required if turnover is below Rs. 1 crore?

It can be required under the specific presumptive-taxation clauses of Section 44AB, depending on the regime, declared profits, income and other statutory conditions.

Which forms are used for a tax audit?

The audit report is ordinarily furnished in Form 3CA or Form 3CB, as applicable, together with the statement of particulars in Form 3CD.

What is the penalty for not obtaining a required tax audit?

Section 271B generally provides for a penalty equal to 0.5% of turnover, gross receipts or sales, subject to a maximum of Rs. 1,50,000. Relief may be available for reasonable cause under Section 273B.

Official legislation and filing resources

Income Tax Department - legislation, circulars and notifications.
Income Tax e-Filing Portal - audit report filing, forms and current due-date announcements.
India Code - central legislation, including the Income-tax Acts.
e-Gazette of India - official legislative publications and notifications.

Original Section 44AB text and amendment notes

The following text is retained from the supplied historical webpage for reference. It includes older thresholds and amendment notes and should not be used as a current-law substitute.

View historical statutory text and amendment notes

44AB Income Tax Act - Audit of accounts of certain persons carrying on business or profession Section 44ab of Income Tax Act 1961 - Audit of accounts of certain persons carrying on business or profession 1Every person,- (a) carrying on business shall, if his total sales, turnover or gross receipts, as the case may be, in business exceed or exceeds 2 one crore rupees in any previous year 3 ***; or (b) carrying on profession shall, if his gross receipts in profession exceed 4 fifty lakh rupees in any 5 previous year; or (c) carrying on the business shall, if the profits and gains from the business are deemed to be the profits and gains of such person under 6 section 44AE 7 or section 44BB or section 44BBB, as the case may be, and he has claimed his income to be lower than the profits or gains so deemed to be the profits and gains of his business, as the case may be, in any 8 previous year; or 3 *** 9 (d) carrying on the 10profession shall, if the profits and gains from the 10profession are deemed to be the profits and gains of such person 11under section 44ADA and he has claimed such income to be lower than the profits and gains so deemed to be the profits and gains of his 10profession and his income exceeds the maximum amount which is not chargeable to income-tax in any 12previous year; or 13(e) carrying on the business shall, if the provisions of sub-section (4) of section 44AD are applicable in his case and his income exceeds the maximum amount which is not chargeable to income-tax in any previous year, get his accounts of 14such previous year audited by an accountant before the specified date and 15furnish by that date the report of such audit in the prescribed form duly signed and verified by such accountant and setting forth such particulars as may be prescribed: 16Provided that this section shall not apply to the person, who declares profits and gains for the previous year in accordance with the provisions of sub-section (1) of section 44AD and his total sales, turnover or gross receipts, as the case may be, in business does not exceed two crore rupees in such previous year: 17 18Provided further that this section shall not apply to the person, who derives income of the nature referred to in 19*** section 44B or 20section 44BBA, on and from the 1st day of April, 1985 or, as the case may be, the date on which the relevant section came into force, whichever is later: 21 Provided also that in a case where such person is required by or under any other law to get his accounts audited 22 ***, it shall be sufficient compliance with the provisions of this section if such person gets the accounts of such business or profession audited under such law before the specified date and 23 furnishes by that date the report of the audit as required under such other law and a further report 24 by an accountant in the form prescribed under this section. Explanation.-For the purposes of this section,- (i) "accountant" shall have the same meaning as in the Explanation below sub-section (2) of section 288; 25 (ii) "specified date", in relation to the accounts of the assessee of the previous year relevant to an assessment year, means 26 the due date for furnishing the return of income under sub-section (1) of section 139. -------------------- 1. Ins. by Act 21 of 1984, s. 11 (w.e.f. 1-4-1985). 2. Subs. by Act 23 of 2012, s. 13, for "sixty lakh rupees" (w.e.f. 1-4-2013). 3. The words and figures "or years relevant to the assessment year commencing on the first day of April, 1985, or any subsequent assessment year" omitted by Act 26 of 1988, s. 14 (w.e.f. 1-4-1989). 4. Subs. by Act 28 of 2016, s. 25, for "twenty-five lakh rupees" (w.e.f. 1-4-2017). 5. Subs. by Act 26 of 1997, s. 11, for "previous year" (w.e.f. 1-4-1998). 6. Subs. by Act 33 of 2009, s. 19, for "section 44AD or section 44AE or section 44AF" (w.e.f. 1-4-2011). 7. Ins. by Act 32 of 2003, s. 23 (w.e.f. 1-4-2004). 8. Subs. by Act 33 of 2009, s. 19, for "previous year," (w.e.f. 1-4-2011). 9. Ins. by s. 19, ibid. (w.e.f. 1-4-2011). 10. Subs. by Act 28 of 2016, s. 25, for "Business" (w.e.f. 1-4-2017). 11. Subs. by s. 25, ibid., for "under section 44AD" (w.e.f. 1-4-2017). 12. Subs. by s. 25, ibid., for "previous year" (w.e.f. 1-4-2017). 13. Ins. by s. 25, ibid. (w.e.f. 1-4-2017). 14. Subs. by Act 26 of 1988, s. 14, for "such previous year or years" (w.e.f. 1-4-1989). 15. Subs. by Act 22 of 1995, s. 13, for "obtain before" (w.e.f. 1-7-1995). 16. Ins. by Act 7 of 2017, s. 20 (w.e.f. 1-4-2017). 17. Subs. by Act 18 of 1992, s. 20, for "Provided that" (w.e.f. 1-4-1985). 18. Subs. by Act 7 of 2017, s. 20, for "Provided that" (w.e.f. 1-4-2017). 19. The words, figures and letters "section 44AC or" omitted by Act 22 of 1995, s. 13 (w.e.f. 1-7-1995). 20. Subs. by Act 32 of 2003, s. 23, for "section 44BB or section 44BBA or section 44BBB" (w.e.f. 1-4-2004). 21. Subs. by Act 7 of 2017, s. 20, for "Provided further" (w.e.f. 1-4-2017). 22. The words "by an accountant" omitted by Act 32 of 1985, s. 13 (w.e.f. 1-4-1985). 23. Subs. by Act 22 of 1995, s. 13, for "obtains before" (w.e.f. 1-7-1995). 24. Ins. by Act 14 of 2001, s. 28 (w.e.f. 1-4-2001). 25. Subs. by s. 28, ibid., for clause (ii) (w.e.f. 1-4-2001). 26. Subs. by Act 23 of 2012, s. 13, for "the 30th day of September of the assessment year" (w.e.f. 1-4-2012).