Western Australian Consolidated Regulations (1) An efficient brake
capable of stopping and holding an animal drawn vehicle must be fitted in some
convenient part of the vehicle, but an animal drawn vehicle having 2 wheels
and drawn by an animal attached to the vehicle by harness, that is suitable
and sufficient to keep the animal attached to the vehicle, is to be taken to
be equipped with an efficient brake.
(2) Despite the
provisions of this regulation, the use of a nave brake is prohibited on an
animal drawn vehicle exceeding one tonne in mass.