s 50 Terminal markets.
(1) The Treasury may by order make provision for modifying the provisions of this Act in their application to dealings on terminal markets and such persons involved in such dealings as may be specified in the order, subject to such conditions as may be so specified. (2) Without prejudice to the generality of subsection (1) above, an order under this section may include provision— (a) for zero-rating the supply of any goods or services or for treating the supply of any goods or services as exempt; (b) for the registration under this Act of any body of persons representing persons involved in dealing on a terminal market and for disregarding such dealings by persons so represented in determining liability to be registered under this Act, and for disregarding such dealings between persons so represented for all the purposes of this Act; (c) for refunding, to such persons as may be specified by or under the order, input tax attributable to such dealings on a terminal market as may be so specified, and may contain such incidental and supplementary provisions as appear to the Treasury to be necessary or expedient. (3) An order under this section may make different provision for different purposes, including different provision in relation to— (a) different terminal markets; (b) different persons; (c) different commodities, goods or services .