55. (1) The Minister may authorize any person he designates to analyse petroleum products under this Act and prescribe the form of the certificate of analysis to be issued by such person.
(2) In any proceedings instituted under this Act the certificate of analysis of a petroleum product signed by the person mentioned in subsection 1 is, in the absence of proof to the contrary, proof of the facts stated therein and of the authority of the person signing the certificate, without other proof of his appointment or signature.