Paragraph 5
For the purpose of requirements 4, 9 and 14 in the Table, in determining whether brakes apply to at least half the wheels of a vehicle, not more than one front wheel shall be treated as a wheel to which brakes apply unless the vehicle is—
(a)
a locomotive or motor tractor with more than 4 wheels;
(b)
a heavy motor car or motor car first used before 1st October 1938;
(c)
a motor car with an unladen weight not exceeding 1020 kg;
(d)
a motor car which is a passenger vehicle but is not a bus;
(e)
a works truck;
(f)
a heavy motor car or motor car with more than 3 wheels which is equipped in respect of all its wheels with brakes which are operated by one means of operation; or
(g)
a track-laying vehicle.