69.— (1) In any proceedings for an offence under this Act, a certificate in the form specified in Schedule 3 to this Act signed by—

(a) either—

(i) the State Chemist, or

(ii) another chemist employed or engaged at the State Laboratory and authorised by the State Chemist to sign the certificate,

(b) either—

(i) a public analyst appointed under section 10 of the Sale of Food and Drugs Act 1875, or

(ii) another analyst authorised by such a public analyst to sign the certificate,

or

(c) a chemist or analyst appointed by the Council,

stating the result of any test, examination or analysis of a sample of any relevant thing, or of a relevant thing, as the case may be, forwarded under section 68(2)(c or (4)(c) shall, with regard to that sample of the relevant thing, or the relevant thing, as the case may be, be evidence of the matters stated in the certificate unless the contrary is proved.

(2) In proceedings for an offence under this Act, a relevant thing, or a package containing a relevant thing, that bears a trademark shall, unless the contrary is proved, be evidence that the thing was manufactured by the person who at the time of the alleged commission of the offence owned that trademark.

(3) In this paragraph, “trademark” has the same meaning as it has in the Trade Marks Act 1996.