(1) The Drought Minister may appoint a member of the Committee (other than the Chair) to act as the Chair:
(a) during a vacancy in the office of the Chair (whether or not an appointment has previously been made to the office); or
(b) during any period, or during all periods, when the Chair:
(i) is absent from duty or from Australia; or
(ii) is for any reason, unable to perform the duties of the office.
(2) The Drought Minister may appoint a person to act as a member of the Committee (other than the Chair):
(a) during a vacancy in the office of a member (other than the Chair), whether or not an appointment has previously been made to the office; or
(b) during any period, or during all periods, when a member (other than the Chair):
(i) is absent from duty or from Australia; or
(ii) is for any reason, unable to perform the duties of the office.
(3) A person is not eligible for appointment under subsection (2) unless the person is eligible for appointment as a member of the Committee.