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