Ariz. Rev. Stat. § 45-463
A. In an initial active management area, a person who owns land which was legally entitled to be irrigated with groundwater and who retired such land from irrigation after January 1, 1965 but prior to the date of the designation of the active management area in anticipation of a non-irrigation use has the right to withdraw from or receive for such land three acre-feet of groundwater per acre per year upon showing that:
B. In a subsequent active management area, a person who owns land which was legally entitled to be irrigated with groundwater and retires such land from irrigation prior to the date of the designation of the active management area in anticipation of a non-irrigation use has the right to withdraw from or receive for such land the lesser of three acre-feet of groundwater per acre per year or the average annual amount of groundwater which was used per acre during the five years preceding the time the land was retired upon showing that:
F. At the request of a city or town in the Tucson active management area that holds a type 1 non-irrigation grandfathered right under subsection A of this section, the director, in determining whether to designate or redesignate the city or town as having an assured water supply pursuant to section 45-576, shall include four and one-half acre-feet of groundwater for each acre of retired irrigated land to which the right is appurtenant, multiplied by the number of years between the year of retirement and the year of the request, minus the quantity of groundwater withdrawn from the land between June 12, 1980 and the year of the request, except that: