A.R.S. § 28-9103: Corporate existence; rights and immunities; official name

A. An authority is a corporate body and political subdivision of this state that may act in its official corporate name and has all of the rights and immunities of municipal corporations that are granted by the constitution and statutes of this state, including immunity of its property from taxation.

B. The initial board of directors of the authority shall adopt the official name of the authority that shall contain the words "intergovernmental public transportation authority".