Section mapper · Losses, set-off and carry-forward
Section 80 of the Income-tax Act, 1961 is now
section 121 of the Income-tax Act, 2025
Why filing late costs you your carried-forward losses.
- Was
s.80, Income-tax Act, 1961 (repealed)- Is now
s.121, Income-tax Act, 2025- In force from
What changed
Renumbered, and now the very last section of the losses chapter. Section 121 keeps the condition that catches people every year: a loss not determined in a return filed under section 263(1) cannot be carried forward and set off under sections 111 to 115.
Where this comes from
Read from incometaxindia.gov.in on , and re-checked against the enacted Income-tax Act, 2025 (Act No. 30 of 2025, assented 21 August 2025, in force 1 April 2026). This dataset is re-verified quarterly. The whole method is on our methodology page.
Sections people look up next
- s.139 → s.263 — Filing your income tax return, and the due date
- s.234F → s.428 — The late-filing fee
- s.72 → s.112 — Carrying a business loss forward for eight years