(1) The Secretary may, in writing, appoint a person who is one of the following as an authorised person for the purposes of this Act:
(a) an APS employee in the Department;
(b) a person who is engaged as a consultant or contractor to perform services in relation to this Act.
(2) The Secretary must not appoint a person as an authorised person unless the Secretary is satisfied that the person has the knowledge or experience necessary to properly exercise the powers of an authorised person.
(3) An authorised person must, in exercising powers as such, comply with any directions of the Secretary.
(4) If a direction is given under subsection (3) in writing, the direction is not a legislative instrument.