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Case law › Section 43(5)

Section 43(5)

Authorities that bear on section 43(5) 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The Income-tax Act, 1961 was repealed on 1 April 2026.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 43(5) — the law in short

What the courts have decided on section 43(5), 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 43(5) — 13 entries

Worked examples

Notice situations in which section 43(5) does the work, taken from the first line to the last. Each step carries the authority that licenses it.
Intraday, index options, castor seed, currency futures and a copper hedge, all swept into one speculation business and set against nothing The officer has called my company's entire share and derivative activity a speculation business under the Explanation to s.73 and refused to set the loss off against my interest income - which of those transactions is actually speculative? 7 steps · 18 authorities · s.43(5), s.43(5)(a), s.43(5)(b), s.43(5)(c)

Explained in this library

What section 43(5) does, in plain English, before you read what the courts made of it.

Speculation, intraday and F&O

Is my intraday and futures-and-options trading speculative, and can I set the loss off against other income?

What counts as turnover when you test the audit limit

How do I compute turnover for the s.44AB threshold when the business is settled by differences — intraday, futures, options?