Section 35AC exemption extended for a specified primary health centre project, preserving its eligibility for tax deduction. The Central Government, invoking Section 35AC and the Explanation thereto, specified the construction, furnishing and equipment of the Primary Health Centre at Kufri by PHD Rural Development Foundation as an eligible project for tax exemption; after the National Committee recommended continuation on finding proper execution, the Government extended the project's eligibility for a further two year period beginning with the stated assessment year, recording the project's estimated cost in the notification.