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Tax Audit under Section 44AB is mandatory when business turnover exceeds ₹1 crore (₹10 crore if cash dealings are below 5%) or professional gross receipts cross ₹50 lakh. FilingLab appoints a qualified CA, conducts the audit per ICAI standards, files Form 3CA/3CB and Form 3CD with the IT department by 30 September, and ensures the ITR is filed by 31 October.
Everything required for Tax Audit (Section 44AB). Government statutory fees (MCA stamp duty, trademark filing fee, etc.) are charged at actual cost and shown separately before payment.
Books of account verification
Form 3CA / 3CB selection and prep
Form 3CD (50+ clauses) filing
Cash transaction reporting
Loan and deposit reporting
GST reconciliation with books
ITR filing by 31 October
Keep these documents ready before starting. Our team will guide you through secure upload to our portal.
Pro Tip
Scan documents in 300 DPI and keep file size under 5MB. Coloured scans work best for Aadhaar and PAN.
Trial balance and P&L
Balance sheet
Bank statements (full year)
Sales and purchase registers
GST returns (all 12 months)
TDS returns
Fixed asset register
We determine whether the Rs 1 crore, Rs 10 crore or Rs 50 lakh threshold applies and file the audit accordingly.
We file Form 3CA where statutory accounts exist or Form 3CB otherwise, with the detailed Form 3CD annexure.
Timely audit prevents the Section 271B penalty of 0.5 percent of turnover, capped at Rs 1,50,000.
We report Section 40A(3), 43B and TDS disallowances correctly so your taxable profit reflects allowable deductions only.
An independent chartered accountant verifies your books, strengthening credibility with lenders, investors and tax authorities.
Businesses with annual turnover crossing the prescribed threshold
Professionals with gross receipts above Rs 50 lakh
Taxpayers declaring profit below presumptive rates under 44AD or 44ADA
Companies and LLPs requiring audited tax computations
Entities with cash transactions exceeding 5 percent of turnover
Turnover or receipts crossing the Section 44AB limit for the year
Maintained books of accounts and supporting vouchers
Valid PAN and active income tax e-filing access
Appointment of an eligible chartered accountant as auditor
CA reviews the scope, requests trial balance, ledgers, bank statements.
Sample-basis verification of revenue, expenses, cash, inventory, fixed assets.
50+ clauses covering everything from depreciation to TDS to related-party transactions.
Form 3CA / 3CB + 3CD uploaded by 30 September. ITR follows by 31 October.
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Business turnover > ₹1 crore (or > ₹10 crore if cash receipts/payments are below 5% of turnover). Professional gross receipts > ₹50 lakh.
30 September for Form 3CA/3CB + 3CD. ITR by 31 October. 1-month grace usually granted, but late filing attracts 0.5% of turnover penalty (capped at ₹1.5 lakh).
3CA is when the business is also audited under another law (Companies Act, etc.). 3CB is for businesses not audited elsewhere. Both are followed by the same Form 3CD.
Join 500+ businesses who trusted us for Tax Audit (Section 44AB).
Five stages, SLA-tracked, with a named CA who replies in under 12 minutes during business hours.
You
FilingLab
Govt
01
You
Initial requirements
You share KYC and service-specific details.
1 day
02
FilingLab
Document preparation
Our CA team drafts every form and supporting document.
2 days
03
FilingLab
Verification & filing
Senior review, then submission to the relevant government portal.
Same day
04
Govt
Government processing
Authority reviews and approves the application.
5–15 days
IF REJECTED
If the government raises a clarification, we respond within 24 hours at no extra service fee.
05
FilingLab
Certificate + handover
Final certificate downloaded and shared. Compliance calendar goes live.
Same day
01
You
· 1 day
Initial requirements
You share KYC and service-specific details.
02
FilingLab
· 2 days
Document preparation
Our CA team drafts every form and supporting document.
03
FilingLab
· Same day
Verification & filing
Senior review, then submission to the relevant government portal.
04
Govt
· 5–15 days
Government processing
Authority reviews and approves the application.
IF REJECTED
If the government raises a clarification, we respond within 24 hours at no extra service fee.
05
FilingLab
· Same day
Certificate + handover
Final certificate downloaded and shared. Compliance calendar goes live.
