Ariz. Rev. Stat. § 49-1213
A. In any public-private partnership under this chapter, the authority may include provisions that:
1. Allow the authority or the private partner to establish and collect delivery charges, service charges, operation and maintenance charges or similar charges, including provisions that:
14. Allow the private partner in any concession agreement to establish and collect delivery charges, operation and maintenance charges or similar charges to cover its costs and provide for a reasonable rate of return on the private partner's investment, including any of the following provisions: