(1) Where any exemption from, or any assessment with respect to, any tax has been granted or made or any benefit by way of set off or carry forward, as the case may be, of any unabsorbed depreciation or investment allowance or other allowance or loss has been extended or is available to the International Airports Authority or the National Airports Authority, under the Income-tax Act, 1961 (43 of 1961), such exemption, assessment or benefit shall continue to have effect in relation to the Authority in which the undertakings of the International Airports Authority and the National Airports Authority have vested by virtue of this Act.
     (2) Where any payment made by the International Airports Authority or the National Airports Authority is exempt from deduction of the tax at source under any provision of the Income-tax Act, 1961 (43 of 1961), the exemption from tax will continue to be available as if the provisions of the said Act made applicable to the International Airports Authority or the National Airports Authority were operative in relation to the Authority in which the undertakings of the International Airports Authority and the National Airports Authority have vested by virtue of this Act.
     (3) The transfer and vesting of the undertakings or any part thereof in terms of section 13 shall not be construed as a transfer within the meaning of the Income-tax Act, 1961 (43 of 1961) for the purposes of capital gains.