General
54Power to stop and detain vehicles
(1)
A constable in uniform or, if accompanied by such a constable, an inspector may stop and detain a vehicle for the purpose of entering and searching it in the exercise of a power conferred—
(a)
by section 19(1), or
(b)
by a warrant under section 19(4) or 23(1).
(2)
A constable in uniform may stop and detain a vehicle for the purpose of entering and searching it in the exercise of a power conferred—
(a)
by section 22(2), or
(b)
by a warrant under section 22(4).
(3)
If accompanied by a constable in uniform, an inspector may stop and detain a vehicle for the purpose of entering it and carrying out an inspection in the exercise of a power conferred—
(a)
by section 26(2), 27(2), 28(2) or 29(2), or
(b)
by a warrant under section 28(4).
(4)
A vehicle may be detained for as long as is reasonably required to permit a search or inspection to be carried out (including the exercise of any related power under this Act) either at the place where the vehicle was first detained or nearby.