26.—(1) This Article applies to—
(a)any offence under Article 4(1) or 16(1), involving the killing, injuring or taking of any wild bird or the taking of an egg of such a bird;
(b)any offence under Article 10(1) or 16(1) involving the killing, injuring or taking of any wild animal;
(c)any offence under Article 14(1) or 16(1) involving the picking, removal, uprooting or destruction of any wild plant;
(d)any offence under Article 19(1) involving the killing, injuring or taking of any deer.
(2) Summary proceedings for an offence to which this Article 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 Article more than two years after the commission of the offence.
(3) For the purposes of this Article 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.