Ariz. Admin. Code § R6-7-604
A. If the Title IV-D Agency receives a support payment not paid by an income withholding order that is undesignated as to case or obligee and it does not satisfy the total current support owed by one obligor to multiple obligees, the Title IV-D Agency shall use the following procedure to determine the amount of support allocated to each obligee:
B. If the Title IV-D Agency receives a support payment not paid by an income withholding order that is undesignated as to case or obligee and it does not satisfy the total arrearages or past support owed by one obligor to multiple obligees, the Title IV-D Agency shall use the following procedure to determine the amount of support allocated to each obligee:
C. The Title IV-D Agency shall not use this procedure if:
New Section made by final rulemaking at 11 A.A.R. 5201, effective November 15, 2005 (Supp. 05-4).