(1) A constable who has reasonable grounds to suspect that the circumstances in subsection (2) exist in relation to a vehicle may—
(a) stop and search the vehicle; and
(b) detain it for as long as is reasonably necessary to conduct the search; and
(c) seize any knife, offensive weapon, or disabling substance found.
(1) A constable who has reasonable grounds to suspect that the circumstances in subsection (2) exist in relation to a vehicle may search the vehicle.
(2) The circumstances are that—
(a) a person travelling in the vehicle or who has alighted from it is committing an offence against section 202A(4)(a) of the Crimes Act 1961 (which relates to possession of knives, offensive weapons, and disabling substances); and
(b) the vehicle contains a knife, offensive weapon, or disabling substance.