Western Australian Consolidated Regulations (1) This
rule applies to a motor vehicle with a GVM over 4.5 t that has the
centre of a steering control to the left of the centre of the vehicle.
(2) The vehicle must
display the words ‘left hand drive’ on the rear of the vehicle.
(3) The words must be
in letters at least 75 mm high, and in a colour contrast with the
background to the words.