(1) The Minister may, in writing, appoint a person to act as the President:
(a) during a vacancy in the office of President (whether or not an appointment has been previously made to the office); or
(b) during any period, or during all periods, when the President:
(i) is absent from duty or from Australia and New Zealand; or
(ii) is, for any reason, unable to perform the duties of the office.
(2) A copy of the instrument of appointment must be published in the Official Journal .
(3) The Minister:
(a) may terminate the appointment at any time; and
(b) must terminate the appointment if the person appointed fails, without reasonable excuse, to disclose a conflict of interest in accordance with regulation 20.64.
(4) A person is not eligible for appointment to act as President unless the person is eligible for appointment as President under subregulation 20.63(1).