Where there is no Chairperson or the Chairperson is absent from duty or from Australia or is, for any other reason, unable to perform the functions of Chairperson:
(a) the Deputy Chairperson shall act as Chairperson; or
(b) if there is no Deputy Chairperson, or the Deputy Chairperson is absent from duty or from Australia or is, for any other reason, unable to act as Chairperson, the Governor - General may appoint a non - executive Director to act as Chairperson, but any such appointment ceases to have effect if:
(i) where there is no Deputy Chairperson--a non - executive Director is appointed as Deputy Chairperson; or
(ii) where the Deputy Chairperson is absent from duty or from Australia or is, for any other reason, unable to act as Chairperson--the Deputy Chairperson ceases to be so absent or becomes able to act as Chairperson.
Note: For rules that apply to persons acting as the Chairperson, see sections 33AB and 33A of the Acts Interpretation Act 1901 .