Tax exemption notification under section 10(23C)(iv) confirms Sanjivani Trust's recognition for the assessment year. The Central Government, invoking the powers of section 10(23C)(iv) of the Income-tax Act, issues S.O.945 dated 22-2-1991 notifying Sanjivani Trust, Everest, Bombay, as eligible under that sub-clause for the specified assessment year, thereby recording the administrative recognition and providing the notification reference for official records.