(1) In any proceedings
for an offence under this Act, a witness for the prosecution is not compelled
to disclose the fact that the witness received information, the nature of the
information received or the name of the person from whom the information was
(2) An authorised
officer appearing as a witness in any proceedings is not compelled to produce
any document containing any confidential matter made or received in his or her
capacity as an authorised officer.
subsections (1) and (2), a court hearing proceedings for an offence under this
Act may order the disclosure of any matter, or the production of a document,
referred to in those subsections if the court considers that it is necessary
in the interests of justice.