Income-tax exemption recognition under section 10(23C)(iv) grants notified status to an educational centre for specified assessment years. Notification confers tax-exempt status under section 10(23C)(iv) by notifying Public Enterprises Centre for Continuing Education, New Delhi as a qualifying institution, recognizing its eligibility for the tax treatment envisaged by that provision for the assessment years 1978-79, 1979-80 and 1980-81.