27 September, 2026

Tax Audit Deadline Is 30 September 2026: Complete These 12 Checks Before Filing Form 3CD

Tax Audit Deadline Is 30 September 2026

Complete these 12 important checks before approving Form 3CD.

Only a few days remain for the tax-audit deadline. Rushing the report without complete records can create differences between the books, Form 3CD and the income-tax return.

Current deadline: 30 September 2026 Applicable to tax-audit reports for AY 2026–27. As checked on 27 September 2026, no later official extension was found.
Remember: Uploading by the Chartered Accountant is not the final step. The taxpayer should log in, review and accept the tax-audit report on the income-tax portal.

Which tax-audit form applies?

Form When it generally applies
Form 3CA with Form 3CD When the accounts are already required to be audited under another law, such as the Companies Act.
Form 3CB with Form 3CD When the accounts are not required to be audited under another law but tax audit is applicable.

12 checks before approving Form 3CD

1

Finalise the books of account

Ensure that all sales, purchases, expenses, receipts, payments and journal entries are recorded. Avoid changing the books after giving the final data to the auditor without informing the auditor.

2

Confirm turnover or gross receipts

Reconcile the turnover appearing in the profit and loss account with GST returns, invoices, bank credits and other applicable records.

3

Complete the GST reconciliation

Compare the books with GSTR-1, GSTR-3B and annual GST workings. Explain differences caused by credit notes, advances, amendments, exempt supplies or timing differences.

4

Verify TDS compliance

Review expenses such as salary, interest, rent, professional fees, contracts and commission. Check whether applicable TDS was deducted, deposited and reported correctly.

5

Review outstanding expenses

Examine unpaid statutory liabilities and year-end provisions. Confirm whether any amount requires adjustment or separate reporting under the tax law.

6

Check MSME creditors

Identify suppliers registered as micro or small enterprises. Keep their declarations, ageing details and payment dates ready for examining the applicable deduction and disclosure requirements.

7

Verify loans and deposits

Prepare party-wise details of loans accepted or repaid. Include opening balance, additions, repayments, closing balance, mode of payment and lender details.

8

Check cash transactions

Review large cash receipts, cash payments, expense vouchers and cash-book balances. Confirm that supporting evidence is available and applicable restrictions have been examined.

9

Update the fixed-asset register

Provide invoices and put-to-use dates for new assets. Record assets sold or discarded and reconcile depreciation with the books and tax workings.

10

Confirm related-party transactions

Prepare the names, relationships, nature of transactions and amounts involving specified related persons. Keep agreements and supporting documents ready.

11

Match AIS, TIS and Form 26AS

Review reported income, TDS, high-value transactions and tax payments. Investigate differences before the income-tax return is prepared.

12

Accept the uploaded report

After the auditor submits the report, the taxpayer should review it on the portal and complete the acceptance process before the deadline.

Documents to keep ready

Area Important records
Accounts Trial balance, ledgers, financial statements and schedules
Banking Statements, reconciliations, loan statements and interest certificates
GST GSTR-1, GSTR-3B and turnover reconciliation
TDS Returns, challans, Form 26AS and expense-wise reconciliation
MSME Supplier declarations, registration details, ageing and payment dates
Fixed assets Purchase invoices, sale documents and depreciation workings

What happens if tax audit is delayed?

Where Section 271B applies, the Assessing Officer may impose a penalty equal to 0.5% of turnover or gross receipts, or ₹1,50,000, whichever is lower.

However, the law provides relief where the taxpayer proves a reasonable cause. This should not be treated as an automatic waiver.

Do not wait for the final day

The auditor needs sufficient time to review reconciliations, supporting records and explanations. The taxpayer also needs time to accept the uploaded report.

Submitting incomplete information on the final day may result in avoidable qualifications, incorrect reporting or last-minute portal difficulties.

Is your tax audit still pending?

Contact our office for professional assistance with tax-audit applicability, books review, GST and TDS reconciliation, Form 3CD preparation and income-tax compliance.

Phone: 7760252581

Disclaimer: This article provides general information. Tax-audit applicability and reporting depend on the taxpayer’s legal status, business, profession, turnover, cash transactions, presumptive-tax history and other facts. Obtain professional advice for your particular case.

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Tax Audit Deadline Is 30 September 2026: Complete These 12 Checks Before Filing Form 3CD

Tax Audit Deadline Is 30 September 2026 Complete these 12 important checks before approving Form 3CD. Only a few days remain fo...

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