Tax exemption notification recognizes Cathedral Relief Service's eligibility under section 10(23C)(iv) for the specified assessment year. The Central Government, under sub-clause (iv) of clause (23C) of section 10 of the Income-tax Act, 1961, notified Cathedral Relief Service, Calcutta by S.O.1198 as eligible under that provision for the assessment year 1989-90, recorded as No. 8423/F. No. 197/170/89-IT(A1).