6—Measurement of width of vehicles
For the purposes of the Light Vehicle Standards, the width of a vehicle is measured disregarding any of the following devices:
(a) an anti-skid device mounted on the wheels of the vehicle;
(b) a central tyre inflation system fitted to the vehicle;
(c) any side marker light fitted to the vehicle;
(d) any mirror fitted to the vehicle;
(e) any reflector fitted to the vehicle;
(f) any signalling device fitted to the vehicle;
(g) any tyre pressure gauge fitted to the vehicle;
(h) any permanently fixed webbing assembly-type device, if the maximum distance across the body of the vehicle, including any part of the device, is not more than 2.55 metres.
Example of permanently fixed webbing assembly-type device—
A curtain-side device.