In this Division:
"approved form" means a form approved under regulation 4.90.
"custodial agency" , for a person in custody, means:
(a) for a person in custody to whom Subdivision 4.5.2 applies--the Immigration Department; or
(b) for a person in custody to whom Subdivision 4.5.3 applies--the enforcement agency for the person within the meaning of regulation 4.83(1).
"dangerous" :
(a) for a person in custody to whom Subdivision 4.5.2 applies--has the meaning given by subregulation 4.75(1); and
(b) for a person in custody to whom Subdivision 4.5.3 applies--has the meaning given by subregulation 4.83(2).
"non-standard movement" , in relation to a flight of a prescribed aircraft, has the meaning given by regulation 4.88.
"supervised departure" , in relation to a person, means the unescorted departure from Australia of the person, where:
(a) the person is not an Australian citizen; and
(b) the person is cooperating in the departure process; and
(c) until he or she departs from Australia, the person is:
(i) in immigration detention; and
(ii) under the supervision of an officer under the Migration Act.