(1) A certifying officer of an enforcement agency may issue a written certificate signed by him or her setting out such facts as he or she considers relevant with respect to:
(a) anything done by an officer or staff member of the agency in connection with the disclosure of information or a document covered by an authorisation in force under a provision of Division 3 or 4 of Part 4 - 1; or
(b) anything done by an officer or staff member of the agency in connection with:
(i) the communication by a person to another person of information, or information contained in a document, covered by such an authorisation; or
(ii) the making use of such information; or
(iii) the making of a record of such information; or
(iv) the custody of a record of such information; or
(v) the giving in evidence of such information.
(2) A document purporting to be a certificate issued under subsection (1) by a certifying officer of an enforcement agency and to be signed by him or her:
(a) is to be received in evidence in an exempt proceeding without further proof; and
(b) is, in an exempt proceeding, prima facie evidence of the matters stated in the document.