3(1)Subject to sub-paragraph (2) below, in any such proceedings as are mentioned in paragraph 2(1) above a certificate purporting to be signed by an authorised analyst and certifying the presence of any substance in any such sample of oil as may be specified in the certificate shall be evidence, and in Scotland sufficient evidence, of the facts stated in it.U.K.
(2)Without prejudice to the admissibility of the evidence of the analyst (which shall be sufficient in Scotland as well as in England), such a certificate shall not be admissible as evidence—
(a)unless a copy of it has, not less than 7 days before the hearing, been served by the prosecutor or, in the case of civil proceedings, the Commissioners on all other parties to the proceedings; or
(b)if any of those other parties, not less than 3 days before the hearing or within such further time as the court may in special circumstances allow, serves notice on the prosecutor or, as the case may be, the Commissioners requiring the attendance at the hearing of the person by whom the analysis was made.