Ariz. Admin. Code § R20-4-1521
A collection agency shall give copies of its evidence of the debt to the debtor or the debtor’s attorney upon request. After providing the evidence, but before continuing its collection efforts against the debtor, the collection agency shall investigate any claim by the debtor or the debtor’s attorney that:
Adopted effective December 18, 1979 (Supp. 79-6). R20-4-1521 recodified from R4-4-1521 (Supp. 95-1). Amended by final rulemaking at 12 A.A.R. 1331, effective June 4, 2006 (Supp. 06-2). Amended by final rulemaking at 29 A.A.R. 1961 (September 1, 2023), effective October 2, 2023 (Supp. 23-3).