Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) The Deputy Chairperson shall act as the Chairperson:
(a) during a vacancy in the office of Chairperson; or
(b) during any period, or during all periods, when the Chairperson is absent from Australia, or is, for any reason, unable to perform the duties of the office of Chairperson.
(2) While the Deputy Chairperson is acting as the Chairperson, the Deputy Chairperson has and may exercise all the powers, and shall perform all the duties, of the Chairperson.
(3) The validity of anything done by or in relation to the Deputy Chairperson purporting to act in the office of Chairperson under this section shall not be called in question on the ground that the occasion for the person to act had not arisen or had ceased.