Tex. Utilities Code § 65.002

In this chapter:

(1) "Deregulated company" means an incumbent local exchange company for which all of the company's markets have been deregulated.

(2) "Market" means an exchange in which an incumbent local exchange company provides residential local exchange telephone service.

(3) "Regulated company" means an incumbent local exchange company for which none of the company's markets have been deregulated.

(4) "Stand-alone residential local exchange voice service" means:

(A) residential tone dialing service;

(B) services and functionalities supported under the lifeline program;

(C) access for all residential end users to 911 service provided by a local authority and access to dual party relay service;

(D) at the election of the incumbent local exchange company, mandatory residential extended area service arrangements, mandatory residential extended metropolitan service or other mandatory residential toll-free calling arrangements, mandatory expanded local calling service arrangements, or another service that a company is required under a tariff to provide to a customer who subscribes or may subscribe to basic network services;

(E) flat rate residential local exchange telephone service delivered by landline, but only if the service is ordered and received independent of:

(i) a service classified as a nonbasic service under Section 58.151 or residential call waiting service;

(ii) a package of services that includes a service classified as a nonbasic service under Section 58.151; or

(iii) another flat rate residential local exchange service delivered by landline; and

(F) residential caller identification services if the customer to whom the service is billed is at least 65 years of age.

(5) "Transitioning company" means an incumbent local exchange company for which at least one, but not all, of the company's markets has been deregulated.