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Case law › Section 170

Section 170

Authorities that bear on section 170 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The Income-tax Act, 1961 was repealed on 1 April 2026.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 170 — the law in short

What the courts have decided on section 170, 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 170 — 12 entries

Worked examples

Notice situations in which section 170 does the work, taken from the first line to the last. Each step carries the authority that licenses it.
An amalgamation with an appointed date a year and a half before the sanction, a forging unit running at thirty-four per cent, and the whole accumulated loss disallowed We absorbed a loss-making group company under an NCLT-sanctioned scheme and the officer has refused the whole s.72A set-off - wrong year, no three-year business, Rule 9C already broken, no Form 62 - how much of that is right? 7 steps · 24 authorities · s.72A, s.72A(1), s.72A(2), s.72A(3)

Explained in this library

What section 170 does, in plain English, before you read what the courts made of it.

an assessment on a company that no longer exists, or on a dead person

Our transferor company merged into us and was dissolved, but the assessment order is still in its name — and separately, a section 148 notice has arrived in my late father's name. Is an order or notice on someone who does not exist simply void, or is it a mistake the department can put right?

s.47(xiv) and s.47(xiii): moving a proprietorship or a firm into a company, and the five-year leash

I want to incorporate my proprietorship or my firm. Is there a capital gains charge on the assets that go into the company?

Succession and business reorganisation

My business was taken over mid-year or merged under a court order. Who is assessed, and what happens to depreciation?