Sch 22 para 7
(1) No provision of Chapter 1 of Part 2 affects the operation of— (a) any rule of the common law, or (b) any provision of an Act or of subordinate legislation, in relation to offences committed wholly or partly before the commencement of the provision in question. (2) For the purposes of this paragraph an offence is partly committed before a particular time if— (a) a relevant event occurs before that time, and (b) another relevant event occurs at or after that time. (3) “ Relevant event ” in relation to an offence means any act, omission or other event (including any consequence of an act) proof of which is required for conviction of the offence.