Ariz. Rev. Stat. § 37-239
B. Before recommending any participation contract to the board of appeals, the commissioner shall consider and report on:
C. Each participation contract shall:
E. A participation contract may be offered on lands that do not have a development plan approved by the commissioner or on land that may require the successful bidder to further plan and zone property after the auction. Before auctioning a contract requiring planning and zoning, the commissioner may solicit planning and disposition proposals, through advertisement for at least five consecutive days in a newspaper of general circulation in the county in which the lands are located, or if there is no daily newspaper of general circulation in that county, the advertisement shall be published as many times within a thirty-day period as the newspaper is published but not more than five times. The commissioner may require information regarding the projected planning and zoning, the estimated costs of the planning and zoning and the financial feasibility of the proposal. The proposals shall also contain proposed participation payments. The commissioner may provide that some of the information that is contained in the proposals will remain confidential, if the information is proprietary, until the commissioner recommends a contract to the board of appeals. After the proposals are received, the commissioner may conduct preauction conferences regarding the proposals. The commissioner may then auction a participation contract that, at the commissioner's option, may incorporate information that was acquired through the proposal process. A participation contract that is entered into pursuant to this subsection shall: