Ariz. Admin. Code § 14-2-401
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 main extension agreement the value of which may be refundable.
2. "Applicant." A person requesting the utility to supply water service.
3. "Application." A request to the utility for water 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. "Billing month." The period between any two regular readings of the utility's meters at approximately 30 day intervals.
6. "Billing period." The time interval between two consecutive meter readings that are taken for billing purposes.
7. "Commodity charge." The unit of cost per billed usage, as set forth in the utility's tariffs.
8. "Contributions in aid of construction." Funds provided to the utility by the applicant under the terms of a main extension agreement and/or service connection tariff the value of 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. "Customer charge." The amount the customers must pay the utility for the availability of water service, excluding any water used, as specified in the utility's tariffs.
11. "Day." Calendar day.
12. "Distribution main." A water main of the utility from which service connections may be extended to customers.
13. "Interruptible water service." Water service that is subject to interruption or curtailment.
14. "Main extension." The mains and ancillary equipment necessary to extend the existing water distribution system to provide service to additional customers.
15. "Master meter." A meter for measuring or recording the flow of water at a single location where said water is transported through an underground piping system to tenants or occupants for their individual consumption.
16. "Meter." The instrument for measuring and indicating or recording the volume of water that has passed through it.
17. "Meter tampering." A situation where a meter has been illegally altered. Common examples are meter bypassing, use of magnets to slow the meter recording, and broken meter seals.
18. "Minimum charge." The amount the customer must pay for the availability of water service, including an amount of usage, as specified in the utility's tariffs.
19. "Minimum delivery pressure." 20 pounds per square inch gauge at the meter or point of delivery.
20. "Permanent customer." A customer who is a tenant or owner of a service location who applies for and receives water service.
21. "Permanent service." Service which, in the opinion of the utility, is of a permanent and established character. The use of water may be continuous, intermittent, or seasonal in nature.
22. "Person." Any individual, partnership, corporation, governmental agency, or other organization operating as a single entity.
23. "Point of delivery." The point where facilities owned, leased, or under license by a customer connect to the utility's pipes or at the outlet side of the meter.
24. "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.
25. "Residential subdivision development." Any tract of land which has been divided into four or more contiguous lots for use for the construction of residential buildings or permanent mobile homes for either single or multiple occupancy.
26. "Residential use." Service to customers using water for domestic purposes such as personal consumption, water heating, cooking, and other residential uses and includes use in apartment buildings, mobile home parks, and other multiunit residential buildings.
27. "Rules." The regulations set forth in the tariffs which apply to the provision of water service.
28. "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 water service.
29. "Service establishment charge." The charge as specified in the utility's tariffs which covers the cost of establishing a new account.
30. "Service line." A water line that transports water from a common source (normally a distribution main) of supply to the customer's point of delivery.
31. "Service reconnect charge." The charge as specified in the utility's tariffs which must be paid by the customer prior to reestablishment of water service each time the water is disconnected for nonpayment or whenever service is discontinued for failure otherwise to comply with the utility's fixed rules.
32. "Service reestablishment charge." A charge as specified in the utility's tariffs for service at the same location where the same customer had ordered a service disconnection within the preceding 12-month period.
33. "Single family dwelling." A house, an apartment, a mobile home permanently affixed to a lot, or any other permanent residential unit which is used as a permanent home.
34. "Tariffs." The documents filed with the Commission which list the services and products offered by the water company and which set forth the terms and conditions and a schedule of the rates and charges for those services and products.
35. "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.
36. "Utility." The public service corporation providing water service to the public in compliance with state law.
Ariz. Admin. Code § R14-2-401