Tax exemption under Section 10(23C): notification conditions charity's income application, investments and compliance. Notification under Section 10(23C)(v) notifies The Church of South India Trust Association, Chennai for tax concession for assessment years 2004-2005 to 2006-2007 subject to conditions: apply income wholly to its objects; restrict investments to forms permitted by Section 11(5) (with limited exceptions for certain voluntary contributions); exemption excludes business profits unless incidental with separate books; regular filing of income-tax returns; and transfer of surplus and assets to a similar charitable organisation upon dissolution.