Western Australian Consolidated Regulations (1) A rear vision
mirror or mirrors must be fitted to a motor vehicle as required by this
rule so that a driver of the vehicle can clearly see by reflection the
road behind the vehicle and any following or overtaking vehicle.
(2) At least one rear
vision mirror must be fitted to —
(a) a
car;
(b) a
motor trike with 2 front wheels; and
(c) a
motor bike, or motor trike with one front wheel, built before July 1975.
(3) At least one rear
vision mirror must be fitted to each side of —
(a) a
motor vehicle with a GVM over 3.5 t; and
(b) a
motor bike, or motor trike with one front wheel, built after June 1975.
(4) A motor vehicle
with a GVM not over 3.5 t (except a motor vehicle mentioned in
subrule (2) or (3)) must be fitted with —
(a) at
least one rear vision mirror on the right side of the vehicle; and
(b) at
least one rear vision mirror on the left side of the vehicle or inside the
vehicle.
(5) A rear vision
mirror fitted to a motor vehicle with a GVM over 3.5 t must not project
over 150 mm beyond the widest part (excluding lights, signalling devices
and reflectors) of the vehicle.
(6) However, the rear
vision mirror may project not over 230 mm beyond the widest part of the
vehicle if it can fold to project not over 150 mm beyond the widest part.