Brakes

Every trailer other than an agricultural trailer exceeding 10 cwts. in weight unladen shall have an efficient braking system the brakes of which are capable of being applied when it is being drawn to at least two wheels in the case of a trailer having four wheels, so constructed thatMotor Vehicles and Road Traffic [CAP. 230 107 (a) the brakes can be applied either by the driver of the drawing vehicle or by some other person on such vehicle or the trailer: Provided that this subparagraph shall not apply in the case of a trailer not exceeding 1 ton in weight unladen or in the case of a trailer not constructed or adapted to carry any load, other than plant or other special appliance or apparatus which is a permanent or essentially permanent fixture and not exceeding 2 tons in total weight, if in either case the brakes of the trailer automatically come into operation on the overrun of the trailer; and (b) the brakes are capable of being set so effectually as to prevent two at least of the wheels from revolving when the trailer, whether it is attached to the drawing vehicle or not, is not being drawn.