Regulation 88 of the Principal Regulations is amended as follows:(a) by omitting from subregulation (1) "vehicle" and substituting "light vehicle" ;(b) by omitting from subregulation (2)(a) "motor vehicle" and substituting "light motor vehicle" ;(c) by omitting from subregulation (2)(c) "trailer" and substituting "light trailer" ;(d) by omitting from subregulation (4) "vehicle" and substituting "light vehicle" ;(e) by omitting from subregulation (6) "vehicle" and substituting "light vehicle" .