Ariz. Rev. Stat. § 48-4463
A. On or before March 31 of each year beginning in the fifth calendar year following the year in which the district is established, each district member shall file a report with the district and the director containing the following information for the preceding year, which is the reporting year:
B. The district shall compute each member's replenishment obligation as follows:
C. For the reporting years beginning the fourth calendar year through the seventeenth calendar year following the year in which the district is established, to compute the district member's replenishment obligation, multiply net groundwater by:
D. The following rules apply for accounting for water for purposes of this section: