Exemption for income received on behalf of a charitable institution, subject to application, investment, business and reporting conditions. Notification under Section 10(23C)(iv) exempts income received by any person on behalf of Centre for Science and Environment from inclusion in the recipient's total income for the specified assessment years, subject to conditions: application or limited accumulation of income for institutional objects, permitted modes of investment, exclusion of business profits unless incidental with separate books, regular filing of returns, and transfer of surplus and assets on dissolution to a like-minded organisation.