(1)Schedule 4 to this Act (which contains provisions about mixing hydrocarbon oil etc.) shall have effect.
(2)That Schedule shall come into operation on such day as the Commissioners of Customs and Excise may by order made by statutory instrument appoint.
Subordinate Legislation Made
P1Power of appointment conferred by s. 7(2) fully exercised: 15.10.1985 appointed by S.I. 1985/1451, art. 2