Tax exemption under section 10(23C)(v) notifies Diocese of Mangalore as eligible for specified assessment years. Notification under sub clause (v) of clause (23C) of section 10 designates The Diocese of Mangalore as entitled to tax exemption treatment; the Central Government recognizes the Diocese by name for the assessment years 1981 82 to 1984 85, recording the relevant file reference to effect its enrolment under the statutory exemption framework.