(1) For the purposes of authorising the exercise of maritime powers in relation to a vessel, installation, aircraft, protected land area or isolated person , each of the following is an authorising officer :
(a) the most senior maritime officer who is in a position to exercise any of the maritime powers in person;
(b) the most senior member or special member of the Australian Federal Police who is in a position to exercise any of the maritime powers in person;
(c) the most senior maritime officer on duty in a duly established operations room;
(d) the person in command of a Commonwealth ship or Commonwealth aircraft from which the exercise of powers is to be directed or coordinated;
(e) a person appointed in writing by the Minister.
Limited appointments
(2) The Minister may appoint a person under paragraph ( 1)(e) as an authorising officer:
(a) for the purposes of authorising the exercise of powers in relation to one or more of the following only:
(i) a specified law ;
(ii) a sp ecified international agreement or international decision ; and
(b) subject to any other conditions specified in the appointment.
Purported authorisations
(3) A purported authorisation given by a person who reasonably believed that he or she was an author is ing officer has effect as if it were an authorisation.