disabled drivermeans a person who holds a relevant licence which is limited by virtue of a notice served under Article 9(5)(b) of the Order to vehicles of a particular class;
full licenceincludes a full Great Britain licence and a Community licence;
relevant licencemeans— i in the case of a disabled driver, a full licence authorising the driving of a class of vehicles in category B other than vehicles in sub-category B1 or B1 (invalid carriages), and ii in any other case, a full licence authorising the driving of vehicles of the same class as the vehicle being driven by the provisional licence holder;
the principal Regulationsmeans the Motor Vehicles (Driving Licences) Regulations (Northern Ireland) 1996.