Time limit for prosecutions
29.—(1) Proceedings for an offence under regulation 27 may, subject to paragraph (2), be commenced within the period of six months from the date on which evidence sufficient in the opinion of the prosecutor to warrant proceedings comes to his or her knowledge.
(2) No such proceedings shall be commenced by virtue of this regulation more than twelve months after the commission of the offence.
(3) For the purpose of this regulation, a certificate signed by or on behalf of the prosecutor and stating the date on which evidence sufficient in his or her opinion to warrant the proceedings came to his or her knowledge shall be conclusive evidence of that fact.
(4) A certificate stating that matter and purporting to be so signed shall be deemed to be so signed unless the contrary is proved.