Tax exemption under section 10(23C)(v): institution must apply income exclusively and comply with investment, accounting, dissolution conditions. Notification under section 10(23C)(v) notifies Chief Khalsa Diwan, Amritsar, as qualifying for tax-exempt status for assessment years 2003-04 to 2005-06, conditional on applying income wholly to its objects, restricting investments to forms permitted by section 11(5) (except certain voluntary contributions), excluding business income unless incidental with separate books, regular filing of income-tax returns, and transfer of surplus and assets on dissolution to a like-minded organization.