(1)Proceedings under this Part of this Act in respect of the contravention of any statute or order shall, unless the statute or order under which the proceedings are brought fixes any other period, be commenced within six months after the contravention occurred and, in the case of a continuous contravention, within six months after the last date of such contravention, and it shall be competent in such case in any prosecution to include the entire period during which the contravention has occurred.
(2)A person shall not be summarily convicted of an offence mentioned in Schedule 1 to this Act unless the offence was wholly or partly committed within six months before the proceedings against him in respect of the offence were commenced; but, subject as aforesaid, evidence may be taken of acts constituting, or contributing to, the offence and committed at any previous time.
(3)For the purposes of this section proceedings shall be deemed to be commenced on the date on which a warrant to apprehend or to cite the accused is granted, if such warrant is executed without undue delay.