(1)This section applies to—
(a)any offence under section 1(1) or 3(1) involving the killing or taking of any wild bird or the taking of an egg of such a bird;
(b)any offence under section 9(1) involving the killing or taking of any wild animal; and
(c)any offence under section 13(1) involving the picking, uprooting or destruction of any wild plant.
(2)Summary proceedings for an offence to which this section applies may be brought within a period of six months from the date on which evidence sufficient in the opinion of the prosecutor to warrant the proceedings came to his knowledge; but no such proceedings shall be brought by virtue of this section more than two years after the commission of the offence.
(3)For the purpose of this section a certificate signed by or on behalf of the prosecutor and stating the date on which such evidence as aforesaid came to his knowledge shall be conclusive evidence of that fact; and a certificate stating that matter and purporting to be so signed shall be deemed to be so signed unless the contrary is proved.