Australian Capital Territory Consolidated 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.
(3) This section does not require the road transport authority to—
(a) give a distinguishing registration number if the vehicle already has a distinguishing registration number; or
(b) issue vehicle numberplates with the vehicle's registration number if the vehicle already has the required number of numberplates with the vehicle's registration number.