(a) a vehicle, vessel or aircraft is on defence premises; and
(b) a special defence security official reasonably believes that the vehicle, vessel or aircraft:
(i) is not authorised to be on the premises; or
(ii) constitutes a threat to the safety of persons on the defence premises; or
(iii) relates to a criminal offence committed, or that may be committed, on or in relation to the defence premises.
Power to search
(2) A special defence security official may search the vehicle, vessel or aircraft.
(3) A special defence security official may restrain and detain
any person in the vehicle, vessel or aircraft.