Tax exemption notification: entity notified under section 10(23C)(iv), granting tax exempt recognition for specified assessment years. Central Government notifies Cathedral Relief Service, Calcutta, under the section 10(23C)(iv) income tax exemption provision, invoking sub clause (iv) of clause (23C) of section 10 of the Income tax Act, 1961, and designating the organization as eligible for the specified exemption for the assessment years 1985 86 to 1987 88.