(1) The Commissioner may, in writing, appoint a person who is one of the following as an inspector, an investigator, or both, for the purposes of this Part:
(a) a member of the staff of the Commission under section 181U;
(b) a person assisting the Commissioner under section 181W;
(c) a person performing services for the Commonwealth under a contract with the Commonwealth.
(2) The Commissioner must not appoint a person mentioned in subsection (1) unless the Commissioner is satisfied that:
(a) the person has suitable training or experience to properly exercise the powers for which the person will be authorised to use; and
(b) the person is otherwise an appropriate person to be appointed as an inspector, investigator or both (as the case requires).
(3) A person appointed under this section must, in exercising powers as such, comply with any directions of the Commissioner.
(4) If a direction is given under subsection (3) in writing, the direction is not a legislative instrument.