The Minister may appoint a person to act as Commissioner:
(a) during a vacancy in the office of Commissioner, whether or not an appointment has previously been made to the office; or
(b) during any period, or during all periods, when the Commissioner is absent from duty or from Australia, or is, for any other reason, unable to perform the functions of the office of Commissioner.
Note: For rules that apply to acting appointments, see section 33A of the Acts Interpretation Act 1901 .