The Minister may appoint an individual to act as the Commissioner:
(a) during a vacancy in the office of the 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 reason, unable to perform the duties of the office.
Note: Sections 33AB and 33A of the Acts Interpretation Act 1901 have rules that apply to acting appointments.