Regulation 8 of the Principal Regulations is amended by inserting after subregulation (5) the following subregulation:(5AA) A heavy vehicle learner licence expires (a) if the licensee holds only one other driver licence (other than a learner licence), on the date on which the other licence expires; or(b) if the licensee holds more than one other driver licence (other than a learner licence), on the latest expiry date of those licences.