5. Section 15 of the Principal Act is amended by omitting subsection (3) and substituting the following subsections:
“(3) Subject to this Part, an investigation shall be conducted in private and in such manner as the Commissioner thinks fit.
“(3A) Where the Minister directs the Commissioner to investigate a matter and specifies in the direction that it would be in the public interest to conduct a public process for the purposes of the investigation, the Commissioner shall arrange for—
(a) such public consultation or public hearings; and
(b) the taking of such other measures;
as the Commissioner considers necessary for the proper conduct of the investigation.”.