No person shall operate an off-road motor vehicle (as defined in section 2) on a road unless—
(a) there is carried on the motor vehicle in accordance with this Act a current time licence specifying—
(i) the number or distinguishing mark shown on the registration plate or plates of the motor vehicle; and
(ii) the vehicle type number of the motor vehicle; and
(iii) such other information as is required to be specified therein by this Act; and
(b) the gross weight of the motor vehicle is not more than the maximum gross weight specified in that licence.
Section 6(a): amended, on 1 October 1989, by section 4 of the Road User Charges Amendment Act 1989 (1989 No 79).