(1) A witness for the prosecution in any proceedings for an offence against this Part is not to be compelled to disclose:
(a) the fact that the witness received any information; or
(b) the nature of any information received by the witness; or
(c) the name of the person who gave the witness any information.
(2) An authorised officer who is a witness in any proceedings for an offence against this Part is not to be compelled to produce any report:
(a) that was made or received by the authorised officer in confidence in his or her capacity as an authorised officer; or
(b) that contains information received by the authorised officer in confidence.
(3) Subsections (1) and (2) are to be disregarded in determining the compellability of witnesses in proceedings for an offence against a provision of this Act other than this Part.