(1) For this Act, the Registrar may, in writing, approve types or classes of the following:
(a) helmets for use by riders and passengers of motor cycles;
(b) helmets for use by riders of bicycles;
(c) seatbelts for use by drivers and passengers in motor vehicles;
(d) seats, restraints, harnesses and other safety equipment used by children in motor vehicles.
(2) The Registrar may, in writing, authorise a person or a class of persons to be an emergency worker under the Australian Road Rules .