Australian Capital Territory Numbered Regulations Australian Capital Territory Numbered Regulations(1) If the road transport authority registers a registrable vehicle, the authority must give a distinguishing registration number to the vehicle.
(2) The road transport authority must issue—
(a) for a motor vehicle registered by the authority (other than a motorbike or motortrike)—2 vehicle numberplates with the vehicle's registration number; and
(b) for a motorbike, motortrike or trailer registered by the authority—at least 1 vehicle numberplate with the registration number of the motorbike, motortrike or trailer; and
(c) for any other registrable vehicle registered by the authority—the number of vehicle numberplates the authority considers appropriate with the vehicle's registration number.