(1) Subject to any requirement or direction of the Minister under this Part, an inquiry:
(a) may be conducted in any manner that the Utilities Commission considers appropriate; and
(b) may (but need not) involve public hearings.
(2) The Utilities Commission is not bound by the rules of evidence when conducting an inquiry.
(3) The power of the Utilities Commission under Part 5 to require the giving of information includes, for the purposes of an inquiry, the power to require that a person attend before the Utilities Commission to give information.