(1) An information relating to an offence under this Part which is triable by a magistrates' court in England and Wales may be so tried if it is laid at any time within the period of twelve months beginning with the date on which evidence sufficient in the opinion of the Director of Public Prosecutions or the Secretary of State to justify the proceedings comes to his knowledge.
(2) Proceedings in Scotland for an offence under this Part may be commenced at any time within the period of twelve months beginning with the date on which evidence sufficient in the Lord Advocate's opinion to justify proceedings came to his knowledge or, where such evidence was reported to him by the Secretary of State, within the period of twelve months beginning with the date on which it came to the knowledge of the Secretary of State.
(3) For the purposes of subsection (2) proceedings are to be deemed to be commenced on the date on which a warrant to apprehend or cite the accused is granted, if the warrant i
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