The Government may, on the recommendations of the Council, by notification, specify any specialized agency of the United Nations Organization or any Multilateral Financial Institution and Organization notified under the United Nations (Privileges and Immunities) Act, 1947 (Central Act 46 of 1947.), Consulate or Embassy of foreign countries and any other person or class of persons as may be specified in this behalf, who shall, subject to such conditions and restrictions as may be prescribed, be entitled to claim a refund of taxes paid on the notified supplies of goods or services or both received by them.