Ariz. Admin. Code § 14-2-501
In this Article, unless the context otherwise requires, the following definitions shall apply:
1. "Advance in aid of construction." Funds provided to the utility by the applicant under the terms of a construction agreement, which may be refundable.
2. "Applicant." A person or agency requesting the utility to supply telephone service.
3. "Application." A request to the utility for telephone service, as distinguished from an inquiry as to the availability or charges for such service.
4. "Arizona Corporation Commission." The regulatory authority of the state of Arizona having jurisdiction over public service corporations operating in Arizona.
5. "Basic exchange service." Service provided to business or residential customers at a flat or measured rate which affords access to the telecommunications network.
6. "Billing period." The time interval between the issuance of two consecutive bills for utility service.
7. "Central office." The switching equipment and operating arrangements which provide exchange and long distance service to the public and interconnection of customer telecommunication services.
8. "Contribution in aid of construction." Funds provided to the utility by the applicant under the terms of a construction agreement or construction tariff which are not refundable.
9. "Customer." The person or entity in whose name service is rendered, as evidenced by the signature on the application or contract for that service, or by the receipt and/or payment of bills regularly issued in his name regardless of the identity of the actual user of the service.
10. "Day." Calendar day.
11. "Line extension." The lines and equipment necessary to provide service to additional customers.
12. "Person." Any individual, partnership, corporation, governmental agency, or other organization operating as a single entity.
13. "Service access point." A demarcation point where facilities owned, leased, or under license by a customer connect to the utility provided access line.
14. "Premises." All of the real property and apparatus employed in a single enterprise on an integral parcel of land undivided by public streets, alleys or railways.
15. "Residential subdivision development." Any tract of land which has been divided into four or more contiguous lots with an average size of one acre or less for use for the construction of residential buildings or permanent mobile homes for either single or multiple occupancy.
16. "Rules." The regulations set forth in the tariffs which apply to the provision of telephone service.
17. "Service area." The territory in which the utility has been granted a Certificate of Convenience and Necessity and is authorized by the Commission to provide telephone service.
18. "Service charge." The charge as specified in the utility's tariffs which covers the cost of establishing moving, changing or reconnecting service or equipment.
19. "Access line." A communications facility that connects service from a common distribution source to the service access point.
20. "Tariffs." The documents filed with the Commission which list the utility services and products offered by the utility and which set forth the terms and conditions and a schedule of the rates and charges for those services and products.
21. "Terminal equipment." The equipment through which communication services are furnished.
22. "Temporary service." Service to premises or enterprises which are temporary in character, or where it is known in advance that the service will be of limited duration. Service which, in the opinion of the utility, is for operations of a speculative character is also considered temporary service.
23. "Toll service." Service between stations in different exchange areas for which a long distance charge is applicable.
24. "Utility." The company providing telephone service to the public in compliance with state law.
Ariz. Admin. Code § R14-2-501