A.R.S. § 48-5104: Municipality and county participation; withdrawal

A. A municipality located in a county eligible to establish an authority may elect to enter into the authority by adopting an ordinance declaring its participation.

B. The county may elect to enter into the authority by adopting a resolution declaring its participation. The county shall represent persons residing in the unincorporated areas of the county.

C. A member municipality or member county may withdraw from the authority at the end of a fiscal year by adopting an ordinance or resolution not later than ninety days before the end of the fiscal year that states its intention to withdraw. The withdrawal from the authority shall not result in the cancellation of a contractual agreement entered into between the withdrawing member and the authority.