Part V MOTOR VEHICLES WITH AT LEAST FOUR WHEELS USED FOR THE CARRIAGE OF GOODS
In this Part references to a “motor vehicle” are to a motor vehicle with or without a semi-trailer which–
(a)
has at least four wheels;
(b)
has an unladen mass exceeding 550 kg or an engine with power exceeding 25 kW; and
(c)
is used for the carriage of goods.