Where a person has power to sell any property in order to raise money for the payment of tax, he may agree with the Board for the property to be accepted in satisfaction of that tax in pursuance of paragraph 17 above ; and, except as regards the nature of the consideration and the receipt and application thereof, any such agreement shall be subject to the same provisions and shall be treated for all purposes as a sale made in the exercise of the said power, and any conveyance or transfer made or purporting to be made to give effect to such an agreement shall have effect accordingly.

This paragraph shall not affect section 32(4) or 34(6) of this Act.