Arizona Revised Statutes Title 40. Public Utilities and Carriers § 40-243. Conduct of hearings and investigations; representation by corporate officer or employee; arbitration

A. All hearings and investigations before the commission or a commissioner shall be governed by this article, and by rules of practice and procedure adopted by the commission. Neither the commission nor a commissioner shall be bound by technical rules of evidence, and no informality in any proceeding or in the manner of taking testimony before the commission or a commissioner shall invalidate any order, decision, rule or regulation made, approved or confirmed by the commission.

B. In a hearing or rehearing conducted pursuant to this article, a public service corporation may be represented by a corporate officer or employee who is not a member of the state bar if:

C. The commission may adopt or administer arbitration procedures to resolve complaints or disputes brought by a party against a telecommunications company, except that the commission shall not subject a wireless provider to arbitration unless the wireless provider and customer consent in writing. This section does not prohibit the commission from arbitrating disputes or complaints against a wireline service provider, involving telecommunications services contained in the bundle of services, to the extent the commission has jurisdiction as authorized pursuant to this chapter.