The Minister may, by written instrument, appoint a person to act as the Executive Director:
(a) during a vacancy in the office of Executive Director, whether or not an appointment has previously been made to that office; or
(b) during any period, or during all periods, when the Executive Director:
(i) is absent from duty or from Australia; or
(ii) is, for any other 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.