(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 an electricity supply body to carry communications necessary or desirable for:
(i) managing the generation, transmission, distribution or supply of electricity; or
(ii) charging for the supply of electricity; 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 an electricity supply body unless the carriage service is supplied on the basis that the electricity supply body must not re - supply the carriage service.