The Minister may by regulations made by statutory instrument make provision—
(a) for excluding in such cases as may be prescribed—
(i) the application of any provision of this Act which creates an offence, or
(ii) the application of provisions of the Customs Law in so far as they apply in relation to a prohibition or restriction on importation or exportation having effect by virtue of section 5; or
(b) for the application of any provisions of this Act or regulations or orders thereunder to servants or agents of the Crown, subject to such exceptions, adaptations and modifications as may be prescribed.