(1) An authorised officer holds office on any conditions stated in--
(a) the authorised officer's instrument of appointment; or
(b) a signed notice given to the authorised officer; or
(c) a regulation.
(2) The instrument of appointment, a signed notice given to the authorised officer or a regulation may limit the authorised officer's powers under this Act.
(3) In this section--
signed notice means a notice signed by the appointer.