(1) This section applies if a designated area includes a public transport station.
(2) In addition to the authority under section 45K(1) to require a person to stop and submit to the use of a hand-held scanner at the public transport station, a police officer may, without a warrant, require a person to stop and submit to the use of a hand-held scanner--(a) on board a public transport vehicle while the vehicle is travelling within 2 scheduled stops in any direction of the public transport station, or(b) if the person leaves the public transport vehicle within 2 scheduled stops of the public transport station--in a public place at the public transport station at the scheduled stop.
(3) If a police officer starts to exercise a power in relation to a person under this section or section 45M while on board a public transport vehicle travelling in the area mentioned in subsection (2)(a), the police officer may continue to exercise the power in relation to the person, even if the public transport vehicle travels out of the area.