s 19 Commencement
(1) The commencement of an Act or subsidiary legislation shall be the date provided in or under the Act or subsidiary legislation or, where no date is so provided, the date immediately following the date of its publication in pursuance of section 18. (2) Acts and subsidiary legislation shall come into operation immediately on the expiration of the day preceding their commencement. (3) Notwithstanding subsections 2(1) and (2) and subsection 65(2), subsections (1) and (2) shall apply— (a) to all Acts enacted after the 31 December 1968 including Acts which amend laws enacted before the commencement of Part I of this Act; and (b) to all subsidiary legislation made after the 31 December 1968, whether made under a law enacted before or after the commencement of Part I of this Act whether or not that law has been revised under the Revision of Laws Act 1968.