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Knowledge Bank / Income-tax Act, 2025 / Chapter XVII - SPECIAL PROVISIONS RELATING TO CERTAIN PERSONS

Section 309

Section 309: computing a member's share in an AOP or BOI's income

Section 309 gives the mechanics for working out how much of an association of persons' (AOP) or body of individuals' (BOI) income belongs to each member, when the members' shares are determinate and known. It matters for the tax treatment set out in the following sections, 310 and 311.

This explanation is AI-assisted and pending review by our CA/CS team. It is general information, not professional advice - always cross-check against the bare law text above or talk to our tax team for guidance specific to your situation.

What counts as an AOP/BOI for this purpose

For the purposes of Section 309 and sections 310 and 311, "association of persons or body of individuals" does not include a company, a co-operative society, or a society registered under the Societies Registration Act, 1860, or an equivalent law in any part of India.

Step 1: deduct interest, salary, bonus, commission or remuneration paid to members

In computing the total income of an assessee who is a member of an AOP/BOI where the members' shares are determinate and known, the member's share is worked out as follows: any interest, salary, bonus, commission or remuneration (by whatever name called) paid to any member for the tax year is deducted from the AOP/BOI's total income, and the balance is apportioned among the members in their income-sharing proportions.

Step 2: add back or adjust the member's own interest/salary/etc.

The interest, salary, bonus, commission or remuneration paid to that particular member is then added to his apportioned share (if the apportioned amount is a profit), or adjusted against it (if the apportioned amount is a loss) - the resulting figure is the member's share in the AOP/BOI's income.

Apportioning the share across heads of income

A member's share as computed above is, for assessment purposes, apportioned across the various heads of income in the same manner the AOP/BOI's own income or loss was determined under each head.

Interest on capital borrowed to invest in the AOP/BOI

Any interest paid by a member on capital he borrowed to invest in the AOP/BOI is deducted from his share chargeable under the head "Profits and gains of business or profession", in respect of his share of the AOP/BOI's income.

Meaning of "paid"

"Paid" means actually paid, or incurred according to the method of accounting on which the profits or gains are computed under the head "Profits and gains of business or profession".

Frequently asked questions

Which entities are excluded from being treated as an AOP or BOI under Section 309?

A company, a co-operative society, and a society registered under the Societies Registration Act, 1860 (or equivalent state law) are all excluded from the definition of AOP/BOI for the purposes of sections 309, 310 and 311.

Can a member deduct interest on money borrowed to invest in the AOP or BOI?

Yes - Section 309(4) allows a member to deduct interest paid on capital borrowed for investing in the association or body from his share of business/profession income from that AOP/BOI.

Related sections

  • Section 310 - share of member in AOP/BOI income
  • Section 311 - charge of tax where shares of members unknown

Want this applied to your actual filing, not just explained?

Get help with AOP/BOI income computation

Last updated 9 September 2026

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