Tax exemption under clause 23C(iv) of section 10 granted subject to compliance with operational, investment and dissolution conditions. Notification under clause (23C)(iv) of section 10 designates the Defence Civilians Medical Aid Fund, New Delhi, as eligible for income tax exemption for assessment years 1996-97 to 1998-99, subject to conditions: apply or accumulate income wholly and exclusively to its objects; restrict investments to permitted forms (except specified voluntary contributions kept as jewellery, furniture etc.); exclude business income unless incidental with separate books; file returns regularly; and on dissolution transfer surplus and assets to a similar charitable organization.