(1) The Minister may, in writing, appoint a person to act as an appointed member:
(a) during a vacancy in the office of an appointed member, whether or not an appointment has previously been made to the office; or
(b) during any period, or during all periods, when an appointed member is absent from duty or from Australia, or is, for any reason, unable to perform the duties of the office.
(2) A person appointed to act as an appointed member must have the expertise required for a substantive member.
Note: Section 33A of the Acts interpretation Act 1901 sets out various matters about acting appointments, including how long a person can act in a vacant office.