(1) Notwithstanding (in the case of category 3 or 4 offences) section 10(4) of the Petty Sessions (Ireland) Act 1851, summary proceedings in relation to an offence under this Act may be commenced -
(a) at any time within 3 years after the date on which the offence was committed, or
(b) if, at the expiry of the period referred to in paragraph (a), the person against whom the proceedings are to be brought is outside the State, within 6 months after the date on which he or she next enters the State, or
(c) at any time within 3 years after the date on which evidence that, in the opinion of the person bringing the proceedings, is sufficient to justify the bringing of the proceedings comes to that person's knowledge,
whichever is the later.
(2) For the purposes of subsection (1)(c), a certificate signed by or on behalf of the person bringing the proceedings as to the date on which the evidence referred to in that provision came to his or her knowledge shall be prima facie evidence of that da
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