(1) Subject to this Division, the appointing authority for a Commission may specify in writing how the Commission is to conduct its inquiry.
(2) A Commission:
(a) must conduct its inquiry fairly, economically, quickly and informally; and
(b) must comply with the rules of procedural fairness; and
(c) is not bound by the rules of evidence, legal forms or technicalities; and
(d) may inform itself on any matter relevant to its inquiry in such manner as the President of the Commission thinks fit.