Tax exemption recognition under section 10(23C)(iv) for Centre for Public Sector Studies for the relevant assessment year. Notification under section 10(23C)(iv) of the Income-tax Act, 1961, notifies Centre for Public Sector Studies, New Delhi, as qualifying under the cited sub-clause; S.O.1481 dated 24-1-1994 records the recognition for the assessment year 1989-90.