(1) A constable or a protective service officer may give a person a direction under this section if:
(a) the direction is given at a major airport; and
(b) the constable or officer considers on reasonable grounds that it is necessary to give the direction to facilitate the exercise of a power under section 3UP (identity information at airports) or section 3UQ (move - on directions at airports).
(2) The constable or officer may direct the person:
(a) to stop; or
(b) to do anything else the constable or officer considers on reasonable grounds to be necessary to facilitate the exercise of a power under section 3UP or 3UQ.