s 289 Authorised analyst’s certificate
289.—(1) The production by the prosecution of a certificate of analysis in the form prescribed by any regulations made under Part 15, and purporting to be signed by an authorised analyst is sufficient evidence of the facts stated in the certificate, unless the person charged requires the authorised analyst to be called as a witness. (2) If a person charged intends to require an authorised analyst to be called as a witness in any proceedings for an offence under this Act, the person charged must give notice of the person’s intention to the prosecution not less than 3 clear days before the day on which the summons is returnable.