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Case law › Section 9

Section 9

Authorities that bear on section 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The Income-tax Act, 1961 was repealed on 1 April 2026.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 9 — the law in short

What the courts have decided on section 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 9 — 17 entries

Explained in this library

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

Significant Economic Presence: when a foreign seller has a business connection without an office

My overseas client sells software and services to Indian customers with nobody and nothing in India. Can the department still say he has a business connection?

What a permanent establishment is, and the four ways the department will say you have one

The officer says my foreign client has a permanent establishment in India. What does that actually mean and how many different ways can he say it?

Which Act governs your year: the 1961 Act after 1 April 2026

I am holding a notice and I do not know whether my year is under the Income-tax Act, 1961 or the Income-tax Act, 2025. Which Act applies to me, and is the old Act still of any use now that it has been repealed?