For the purposes of this Part, an eligible carriage service provider is:
(a) a carriage service provider who supplies:
(i) a standard telephone service, where any of the customers are residential customers or small business customers; or
(ii) a public mobile telecommunications service; or
(iii) a carriage service that enables end - users to access the internet; or
(b) a carriage service intermediary who arranges for the supply of a service referred to in subparagraph (a)(i), (ii) or (iii).