Ariz. Rev. Stat. § 15-1874
C. On the recommendation of the treasurer, the board shall select the financial institution or institutions to implement the plan from among bidding financial institutions that demonstrate the most advantageous combination, both to potential plan participants and this state, of the following factors:
E. The board may select more than one financial institution and investment for the plan if both of the following conditions exist:
F. A plan manager shall:
I. If the treasurer determines not to renew the appointment of a financial institution as a plan manager, the board may take action consistent with the interests of the plan and the accounts and in accordance with its duties as the trustee of the fund, including termination of all services or continuation of certain management and administrative services of that financial institution for accounts of the plan managed by that financial institution during its term as a plan manager, if any continuation of services is only permitted under the following conditions: