
Miss the July 31 ITR deadline? File belatedly by Dec. 31 under Section 139(4). Late fee up to ₹5,000, interest on unpaid tax, and loss of carryforward losses.
Taxpayers who missed the July 31 deadline for filing their income tax return for Assessment Year 2026-27 can still file a belated return under Section 139(4) of the Income Tax Act. The window closes Dec. 31, 2026.
Filing late carries costs. A late fee under Section 234F applies: ₹1,000 for taxpayers with total income up to ₹5 lakh, ₹5,000 for those above that threshold. Interest under Section 234A may also accrue on unpaid tax.
"The biggest losses are usually late fee, interest and loss of certain tax advantages," said CA Chandni Anandan, Tax Expert at ClearTax. "Taxpayers may also lose the ability to carry forward certain losses, while refunds could take longer because the return is processed later."
CA Parag Jain, Tax Head at 1 Finance, said the filing process mirrors a regular return. Taxpayers log in to the e-filing portal, select the appropriate ITR form, choose Section 139(4), report income, pay outstanding tax plus interest and late fees, and e-verify within 30 days.
Most deductions and exemptions remain available, including those under Sections 80C and 80D, HRA, the standard deduction, and capital gains exemptions under Sections 54 and 54F, Jain said. TDS credits and eligible refunds can still be claimed.
What is lost by missing the original deadline: the option to choose the old tax regime for the year, and the ability to carry forward capital losses, business losses, and futures and options trading losses. House property losses are an exception.
A belated return can still be revised under Section 139(5), Anandan said, as long as it is within the prescribed timeline and before assessment is completed.
Taxpayers should reconcile income with the Annual Information Statement and Form 26AS before filing, choose the correct ITR form, pay all dues, and complete e-verification within 30 days. Failure to e-verify makes the return invalid. Pre-validating the bank account helps avoid refund delays.
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