(1)A person who—
(a)drives a goods vehicle on a road, or causes or permits a goods vehicle to be so driven, in contravention of a prohibition under section 69 or 70 of this Act, or
(b)refuses, neglects or otherwise fails to comply within a reasonable time with a direction under section 70(3) of this Act,
is guilty of an offence.
(2)The Secretary of State may by regulations exempt from subsection (1) above the use of vehicles for such purposes as may be prescribed.