Stating the position of any foreign fishing craft at any date and time specified in the certificate; or

Stating that the serviceman is satisfied that the equipment used to determine the position of any foreign fishing craft was in proper working order and that the equipment was accurate within specifications detailed in the certificate; or

Stating both the matters referred to in paragraph (a) and the matters referred to in paragraph (b) of this subsection—

At least 28 days before the hearing at which the certificate is tendered, a copy of that certificate is served, by or on behalf of the prosecutor, on the defendant or his agent or counsel, and that person is, at the same time, informed in writing that the prosecutor does not propose to call the person who signed the certificate as a witness at the hearing; and

The Court has not, on the application of the defendant made not less than 14 days before the hearing, ordered, not less than 7 days before the hearing or such lesser period as the Court in the special circumstances of the case thinks fit, that the certificate should not be admissible as evidence in the proceedings.