Form 3CD is the prescribed form for the Income Tax Audit Report under Section 44AB. Contains 41 clauses covering: nature of business, partnership details, balance sheet and P&L particulars, depreciation, GST information, disallowances under Sections 40 / 40A / 43B, TDS / TCS compliance, international transactions. Audited and signed by the Chartered Accountant conducting the audit. Must be uploaded on the e-filing portal.

When is tax audit due date?

Tax audit report in Form 3CD must be uploaded on the e-filing portal by 30 September of the assessment year (e.g., for FY 2024-25 — by 30 September 2025). For transfer pricing cases, the deadline is 31 October. ITR-3 / ITR-6 must be filed by 31 October (or 30 November for transfer pricing). Missing the deadline attracts a fee of ₹1.5 lakh under Section 271B for non-compliance.

What is the turnover threshold for tax audit?

Section 44AB tax audit is mandatory when business turnover exceeds ₹1 crore (or ₹10 crore if cash receipts are less than 5% of total transactions). For professions, gross receipts exceeding ₹50 lakh. If the assessee opts for Section 44AD / 44ADA presumptive taxation and declares income above the prescribed threshold, tax audit is not required.

What is the difference between tax audit and GST audit?

Tax audit: Income Tax Act — examination of books for tax compliance, Form 3CD, mandatory above thresholds. GST audit: Section 35(5) — reconciliation of GST returns with audited accounts, Form GSTR-9C, mandatory for turnover > ₹2 crore. Different statutes, different reports. We conduct both — same auditor can perform both if qualified. We coordinate the audits for efficiency.

What is the difference between statutory audit and tax audit?

Statutory audit is required under the Companies Act / LLP Act / Banking Regulation Act for entities exceeding specified thresholds, and examines whether financial statements give a true and fair view. Tax audit under Section 44AB of the Income Tax Act is required when turnover exceeds ₹1 crore (or ₹10 crore if cash transactions are less than 5%) and examines specific tax compliance matters.

When is tax audit mandatory?

Tax audit under Section 44AB is mandatory when business turnover exceeds ₹1 crore (or ₹10 crore if cash transactions are less than 5% of total transactions) or when profession gross receipts exceed ₹50 lakh. The audit must be completed and Form 3CD filed by 30 September (or 31 October for transfer pricing cases) of the assessment year.

Form 3CD is the prescribed form for the Income Tax Audit Report under Section 44AB. Contains 41 clauses covering: nature of business, partnership details, balance sheet and P&L particulars, depreciation, GST information, disallowances under Sections 40 / 40A / 43B, TDS / TCS compliance, international transactions. Audited and signed by the Chartered Accountant conducting the audit. Must be uploaded on the e-filing portal.

When is tax audit due date?

Tax audit report in Form 3CD must be uploaded on the e-filing portal by 30 September of the assessment year (e.g., for FY 2024-25 — by 30 September 2025). For transfer pricing cases, the deadline is 31 October. ITR-3 / ITR-6 must be filed by 31 October (or 30 November for transfer pricing). Missing the deadline attracts a fee of ₹1.5 lakh under Section 271B for non-compliance.

What is the turnover threshold for tax audit?

Section 44AB tax audit is mandatory when business turnover exceeds ₹1 crore (or ₹10 crore if cash receipts are less than 5% of total transactions). For professions, gross receipts exceeding ₹50 lakh. If the assessee opts for Section 44AD / 44ADA presumptive taxation and declares income above the prescribed threshold, tax audit is not required.

What is the difference between tax audit and GST audit?

Tax audit: Income Tax Act — examination of books for tax compliance, Form 3CD, mandatory above thresholds. GST audit: Section 35(5) — reconciliation of GST returns with audited accounts, Form GSTR-9C, mandatory for turnover > ₹2 crore. Different statutes, different reports. We conduct both — same auditor can perform both if qualified. We coordinate the audits for efficiency.

What is the difference between statutory audit and tax audit?

Statutory audit is required under the Companies Act / LLP Act / Banking Regulation Act for entities exceeding specified thresholds, and examines whether financial statements give a true and fair view. Tax audit under Section 44AB of the Income Tax Act is required when turnover exceeds ₹1 crore (or ₹10 crore if cash transactions are less than 5%) and examines specific tax compliance matters.

When is tax audit mandatory?

Tax audit under Section 44AB is mandatory when business turnover exceeds ₹1 crore (or ₹10 crore if cash transactions are less than 5% of total transactions) or when profession gross receipts exceed ₹50 lakh. The audit must be completed and Form 3CD filed by 30 September (or 31 October for transfer pricing cases) of the assessment year.

Audit & Assurance

Income Tax Audit

ABMCO provides professional income tax audit services for individuals, businesses, and trusts. Our team of qualified Chartered Accountants brings deep expertise and a modern, digital-first approach to every engagement. We serve clients across Telangana, Andhra Pradesh, Karnataka, Tamil Nadu, and Kerala, with capabilities to handle engagements across India.

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Indicative turnaround: 3-10 working days depending on document readiness and complexity.ICAI registered

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Last reviewed by CA Ankita Jainik Soni on 21 June 2026

Who it's for

Right for you if

This service is typically engaged by:

Individuals

Salaried individuals seeking hassle-free ITR filing with maximum deductions

Businesses

Business owners needing proactive tax planning and compliance support

NRIs & HNIs

NRIs and foreign asset holders requiring specialized Indian tax advisory

What's included

Scope of work

Dedicated CA partner assigned to your engagement
Comprehensive review of your situation and requirements
Transparent scope and customized quote before work begins
End-to-end execution with regular status updates
Post-delivery support for any queries or follow-up actions

Documents

What you'll need

PAN card and Aadhaar of the taxpayer / entity
Bank statements for the relevant period
Form 16 / TDS certificates (as applicable)
Investment proofs for deductions (Section 80C/80D/80CCD)
Previous year ITR acknowledgement (if applicable)

Don't see your document? Send what you have — we'll guide you on the rest.

How we work

Engagement process

A clear, transparent process from first call to delivery.

Our process

01
Engagement & scoping
Define the scope, period, and deliverables. Sign engagement letter and confirm timelines.
02
Planning & risk assessment
Understand the entity, identify risk areas, plan audit procedures, and allocate team.
03
Fieldwork & testing
Verify records, test transactions, obtain confirmations, and document findings.
04
Reporting & follow-up
Issue audit report, present findings to management/audit committee, and follow up on action items.

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Companies, LLPs & Partnership Firms

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What else we do

Income Tax

File your ITR, reply to notices, plan your taxes — all under one roof.

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GST

GST registration, returns, notices and audit — handled end-to-end.

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Business Registration

Register your company, file your returns, stay compliant — all year.

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Last updated: 21 June 2026 · Last reviewed by CA Ankita Jainik Soni · Back to Audit & Assurance

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Income Tax Audit

Right for you if

Individuals

Businesses

NRIs & HNIs

Scope of work

What you'll need

Engagement process

Our process

Engagement & scoping

Planning & risk assessment

Fieldwork & testing

Reporting & follow-up

Common questions about this service

Questions, answered.

What is Form 3CD?

When is tax audit due date?

What is the turnover threshold for tax audit?

What is the difference between tax audit and GST audit?

What is the difference between statutory audit and tax audit?

When is tax audit mandatory?

Related services

Companies, LLPs & Partnership Firms

Banks, NBFC & Insurance

Trust, Society & NGO

Talk to a CA about this service

What else we do

Get a transparent quote today

Income Tax Audit

Right for you if

Individuals

Businesses

NRIs & HNIs

Scope of work

What you'll need

Engagement process

Our process

Engagement & scoping

Planning & risk assessment

Fieldwork & testing

Reporting & follow-up

Common questions about this service

Questions, answered.

What is Form 3CD?

When is tax audit due date?

What is the turnover threshold for tax audit?

What is the difference between tax audit and GST audit?

What is the difference between statutory audit and tax audit?

When is tax audit mandatory?

Related services

Companies, LLPs & Partnership Firms

Banks, NBFC & Insurance

Trust, Society & NGO

Talk to a CA about this service

What else we do

Get a transparent quote today