Ariz. Admin. Code § 14-2-1502
A. "Arbitration" means an alternative dispute resolution process in which the Arizona Corporation Commission decides the matter in dispute after the parties have had an opportunity to present their respective positions.
B. "Arizona Corporation Commission" or "Commission" means the regulatory agency of the state of Arizona that has jurisdiction over public service corporations operating in Arizona.
C. "Duty to Negotiate in Good Faith" means that parties meet and confer at reasonable times and places with minds open to persuasion and with an eye toward reaching agreement on mandatory subjects of bargaining.
D. "Interconnection Agreement" means a formal agreement between any telecommunications carriers providing or intending to provide telecommunications services in Arizona, setting forth the particular terms and conditions under which interconnection and resale services, as appropriate, will be provided.
E. "Mediation" means a voluntary alternative dispute resolution process in which a neutral third party assists the parties in reaching their own settlement. The mediator does not have the power to impose a resolution. The role of the mediator and the goal of the process is to help the parties achieve their own resolution.
F. "Petition for arbitration" means the petition requesting arbitration of issues unresolved in the negotiation of an interconnection agreement.
G. "Petitioner" means the party to the negotiation that files the petition for arbitration with the Commission.
H. "Request for negotiation" means a formal request made by any telecommunications carrier providing or intending to provide telecommunications services in Arizona to another telecommunications carrier to negotiate an interconnection agreement.
I. "Respondent" or "responding party" means the nonpetitioning party to the request for arbitration.
Ariz. Admin. Code § R14-2-1502