(1) Subsections 142C(2) and 143(2) do not apply if:
(a) the eligible service is a carriage service, and the sole use of the carriage service is use by a State or Territory road authority to carry communications necessary or desirable for the management or control of road traffic; or
(b) the eligible service is a service that facilitates the supply of a carriage service covered by paragraph (a) of this section.
(2) Paragraph (1)(a) does not apply to a carriage service supplied to a State or Territory road authority unless the carriage service is supplied on the basis that the State or Territory road authority must not re - supply the carriage service.