(1) Subsections 142C(2) and 143(2) do not apply if:
(a) both:
(i) the eligible service is a carriage service; and
(ii) the sole use of the carriage service is use by Airservices Australia to carry communications necessary or desirable for the workings of aviation services; or
(b) the eligible service is a service that facilitates the supply of a carriage service covered by paragraph (a) of this subsection.
(2) Paragraph (1)(a) does not apply to a carriage service supplied to Airservices Australia unless the carriage service is supplied on the basis that Airservices Australia must not re - supply the carriage service.
(3) 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 transport authority to carry communications necessary or desirable for the workings of the following services:
(i) train services of a kind provided by the authority;
(ii) bus or other road services of a kind provided by the authority;
(iii) tram services of a kind provided by the authority; or
(b) the eligible service is a service that facilitates the supply of a carriage service covered by paragraph (a) of this subsection.
(4) Paragraph (3)(a) does not apply to a carriage service supplied to a State or Territory transport authority unless the carriage service is supplied on the basis that the State or Territory transport authority must not re - supply the carriage service.
(5) Subsections 142C(2) and 143(2) do not apply if:
(a) both:
(i) the eligible service is a carriage service; and
(ii) the sole use of the carriage service is use by a rail corporation to carry communications necessary or desirable for the workings of train services; or
(b) the eligible service is a service that facilitates the supply of a carriage service covered by paragraph (a) of this subsection.
(6) Paragraph (5)(a) does not apply to a carriage service supplied to a rail corporation unless the carriage service is supplied on the basis that the rail corporation must not re - supply the carriage service.