Commonwealth Numbered Acts Commonwealth Numbered Acts(1) The * Deputy Commissioner is to act as * Commissioner:
(a) during a vacancy in the office of Commissioner (whether or not an appointment has been made to the office) if no‑one has been appointed to act as Commissioner; or
(b) during any period, or during all periods, when the Commissioner, and any person appointed to act as Commissioner, are absent from duty or from Australia or are, for any other reason, unable to perform the duties of the Commissioner.
(2) The * Deputy Commissioner must not act as * Commissioner during a vacancy in the office of Commissioner for more than 12 months.
(3) Anything done by or in relation to a person purporting to act as * Commissioner under this section is not invalid because the occasion for the person to act as Commissioner had not arisen or had ceased.