26.—(1) Where a sample has been retained under regulation 25(3)(e) and—
(a)a decision has been made to send a report to the procurator fiscal or proceedings have been commenced against a person for an offence under these Regulations; and
(b)the result of the analysis carried out in accordance with regulation 25(3)(d) is to be adduced as evidence,
paragraphs (2) to (8) apply.
(2) The authorised officer—
(a)may of the officer’s own volition; or
(b)must—
(i)if requested by the prosecutor;
(ii)if the court so orders; or
(iii)(subject to paragraph (6)) if requested by the accused,
send the retained part of the sample to the Government Chemist for analysis.
(3) The Government Chemist must analyse the part sent under paragraph (2) and send to the authorised officer a certificate specifying the results of the analysis.
(4) Any certificate of the results of analysis transmitted by the Government Chemist must be signed by or on behalf of the Government Chemist, but the analysis may be carried out by any person under the direction of the person who signs the certificate.
(5) The authorised officer must immediately on receipt supply the prosecutor and the accused with a copy of the Government Chemist’s certificate of analysis.
(6) Where a request is made under paragraph (2)(b)(iii) the authorised officer may give notice in writing to the accused requesting payment of a fee specified in the notice to defray some or all of the Government Chemist’s charges for performing the functions under paragraph (3), and in the absence of agreement by the accused to pay the fee specified in the notice the authorised officer may refuse to comply with the request.
(7) Any certificate transmitted by or on behalf of the Government Chemist in accordance with paragraph (4) is to be taken as sufficient evidence of the facts stated therein unless any party to the proceedings requests that the person by whom the certificate is signed be called as a witness.
(8) In this regulation, “the accused” includes a person in respect of whom an authorised officer intends to submit a report to the procurator fiscal.