Regulation 40 of the Principal Regulations is amended as follows:(a) by omitting from subregulation (1)(a) "logbook" and substituting "work diary" ;(b) by omitting from subregulation (1)(b) "logbook" and substituting "work diary" ;(c) by omitting paragraph (c) from subregulation (1) and substituting the following paragraph:(c) record his or her driving time, work time (that is not driving time) and rest time in respect of that vehicle in the national driver work diary.(d) by omitting from subregulation (3) "logbook" and substituting "work diary" .