Regulation 3

to every motor car (including a motor car used for instructional purposes) registered on or after 1st January 1973;

to every business service passenger vehicle registered on or after 1st January 1973;

to every light goods vehicle registered on or after 1st January 1973;

to every private hire car registered on or after 1st January 1973;

to every goods-cum-passengers vehicle registered on or after 1st January 1973;

to every taxi;

to every ambulance, medical transport vehicle, fire engine and hearse;

to every heavy goods vehicle; and

to every bus, including a small bus.