Regulation 34 of the Principal Regulations is amended as follows:

(a) by omitting paragraph (c) from subregulation (4) and substituting the following paragraph:

(c) is not fitted with rear marking plates, or conspicuity markings, in accordance with regulation 108.

(b) by omitting subregulation (5) and substituting the following subregulation:

(5)  For subregulation (4)(a), the width of a vehicle does not include the following devices or systems:

(a) anti-skid devices mounted on wheels;

(b) central tyre inflation systems;

(c) lights, mirrors and reflectors;

(d) signalling devices;

(e) tyre pressure gauges;

(f) permanently affixed webbing assembly-type devices if the width of the vehicle including those devices does not exceed 2.55 metres.