Modifications etc. (not altering text)
C1Sch. 4 applied (with modifications) (1.7.2004) by Railways and Transport Safety Act 2003 (c. 20), ss. 28(1)(g)(2), 120 (with s. 72); S.I. 2004/1572, art. 3(k)
11Where a designation applies this paragraph to any person, that person shall, within the relevant police area, have the power of a constable in uniform to stop a vehicle under subsection (3) of section 67 of the Road Traffic Act 1988 (c. 52) for the purposes of a test under subsection (1) of that section.