Section 339 · was Section 11 in the 1961 Act
A corpus donation is a voluntary contribution made to a registered NPO with a specific written direction from the donor that it should form part of the 'corpus' (permanent fund) of the trust. Such donations are excluded from regular income and are not subject to the 85% application test — they must be kept invested in permitted modes.
Who it applies to: Registered NPOs receiving contributions that donors specifically designate as corpus (permanent endowment) in writing.
An alumnus donates ₹1 crore to his college alumni charitable trust with a written letter: 'This donation is specifically for the trust's permanent corpus fund to generate income for student scholarships.'
Corpus donation received: ₹1,00,00,000 Written direction provided: ✓ Treatment: Included in regular income? NO Subject to 85% application test? NO Taxable as donation received? NO Must be invested in: Section 350 permitted modes Investment: Nationalised bank FD @ 7% Interest earned annually: ₹ 7,00,000 → This IS regular income → Subject to 85% rule Required application (85%): ₹ 5,95,000 to scholarships
Result: The ₹1 crore corpus is protected permanently. Each year ₹7 lakh in interest is generated, of which ₹5.95 lakh must go to scholarships. The corpus itself never needs to be spent.
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Section references are based on the Income Tax Act 2025 (Tax Year 2026-27). Examples are illustrative; verify with a Chartered Accountant before filing.