19Commencement of Chapter
(1)Subject to section 18(8) above, this Chapter shall come into force on such day as the Commissioners may by order made by statutory instrument appoint, and different days may be appointed under this subsection for different provisions and for different purposes.
(2)An order under this section may make such transitional provision and savings as appear to the Commissioners to be appropriate in connection with the bringing into force by such an order of any provision of this Chapter.
(3)Nothing in any provision of this Chapter shall, in respect of conduct occurring before the coming into force of that provision, impose or affect any liability to any civil or criminal penalty or any liability of goods to forfeiture.