A.R.S. § 9-461.16: Residential housing; requirements; fees; prohibition

A. Except as provided in subsection B of this section, a city or town shall not adopt a land use regulation or general or specific plan provision, or impose as a condition for approving a building or use permit, a requirement or fee that has the effect of establishing the sales or lease price for a residential housing unit or residential dwelling lot or parcel or that requires a residential housing unit or residential dwelling lot or parcel to be designated for sale or lease to any particular class or group of residents.

B. This section does not limit the authority of a city or town to adopt or enforce a land use regulation, general or specific plan provision or condition of approval creating or implementing an incentive, density bonus or other voluntary provision or condition designed to increase the supply of moderate or lower cost housing.