VittSphere ONE Calculators Blog CA Firm CA Prabhakar Kumar · FCA · ICAI 560762
Case law › Section 139(9)

Section 139(9)

Authorities that bear on section 139(9) of the Income-tax Act, 1961. Each one tells you what it decided and what to do if it applies to you.

The Income-tax Act, 1961 was repealed on 1 April 2026. It still governs income earned up to 31 March 2026, and every proceeding about those years however late — assessment, reassessment, rectification, penalty, revision and appeal alike. Income earned from 1 April 2026 is governed by the Income-tax Act, 2025. What changed, and which Act governs your year →

Section 139(9) — the law in short

What the courts have decided on section 139(9), in one screen. Read this first; open an entry when you need the facts, the reasoning and the source.

Listed strongest first: Supreme Court, then High Court, then Tribunal, then CBDT. Nothing here has yet been read in full by a chartered accountant — open an entry to see where it came from.

Section 139(9) — 21 entries

Worked examples

Notice situations in which section 139(9) does the work, taken from the first line to the last. Each step carries the authority that licenses it.
A s.139(9) notice on a turnover difference between Form 3CD and the return, answered eight months after the fifteen days ran out The processing centre called my return defective, the fifteen days have gone and the portal now shows the return as invalid - is the loss carry-forward and the deduction gone, and what do I do first? 8 steps · 55 authorities · s.139(9), s.139(9) proviso, s.139(9) Explanation, s.139(1) Form 10-IC filed 108 days after the due date, the 22 per cent rate refused in an intimation nobody appealed, and the condonation window closing in March My company ticked s.115BAA in the return but Form 10-IC went in late, the CPC has taxed it at the normal rate, the rectification has been refused and the appeal time is long gone - what is actually left? 7 steps · 23 authorities · s.115BAA, s.115BAA(2), s.115BAA(3), s.115BAA(5)

Explained in this library

What section 139(9) does, in plain English, before you read what the courts made of it.

The fifteen days on a s.139(9) notice, and what an invalid return costs

CPC says my return is defective and gives me fifteen days. What actually makes a return defective, and what happens if I miss the date?