The AER Deputy Chair is to act as the AER Chair:
(a) during a vacancy in the office of the AER Chair, whether or not an appointment has previously been made to the office; or
(b) during all periods when the AER Chair:
(i) is absent from duty or from Australia; or
(ii) is, for any reason, unable to perform the duties of the office.
Note: See also subsection 33A(2) of the Acts Interpretation Act 1901 .