
Taxpayers who missed TCS credit in their ITR can file a revised return under Section 139(5) by December 31, 2026, or by March 31, 2027, with a late fee.
Taxpayers who missed claiming a tax collected at source (TCS) credit in their income tax return filed before the July 31 deadline can still correct the error. The Income Tax Department allows a revised return under Section 139(5) of the Income-tax Act, 1961, to fix omissions or wrong information.
The window to file a revised return for assessment year 2026-27 remains open until December 31, 2026. Taxpayers can also file by March 31, 2027, with the prescribed late fee.
Consider a taxpayer named Sheena. She filed her ITR just before the due date and could not claim ₹18,000 in TCS credit collected on a foreign remittance. Her Form 26AS and Annual Information Statement (AIS) showed a mismatch. She can simply file a revised return to add the tax credit later, according to the I-T department's FAQs.
When filing the revised return, the taxpayer must quote the challan details correctly. The credit claimed is limited to the amount reflected in Form 26AS and AIS. On the e-filing portal's tax credit mismatch page, the system compares TDS, TCS, and other challan amounts against Form 26AS. If the figures differ, the portal displays the message “There is a mismatch.” If they match, it shows “tax credit claimed is fully matched with tax credit available in 26AS.”
Tax collected at source is applied to specified transactions. Sellers collect TCS on overseas tour packages, foreign remittances under the Liberalised Remittance Scheme, motor vehicles costing more than ₹10 lakh, and certain other high-value purchases.
TCS differs from tax deducted at source (TDS). Both appear separately in Form 26AS. TDS is deducted by the payer or deductor, while TCS is collected by the seller. Both can be claimed as a tax credit if the total tax liability is lower than the amount collected.
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