Ariz. Rev. Stat. § 6-1705
B. For the purposes of this section, penalty does not include:
C. A reverse mortgage becomes due and payable if any of the following applies:
E. The creditor's or the creditor's assignee's right to collect the outstanding balance of the reverse mortgage under the loan is subject to the applicable statute of limitations for written loan contracts. Notwithstanding any other law, the statute of limitations begins on either of the following: