Ariz. Rev. Stat. § 25-517
A. The department or its agent shall notify an obligor who is at least six months in arrears in making child support payments, periodic payments on a support arrearage or periodic payments pursuant to a court order of support that the obligor may be referred to court for a hearing to suspend or deny the obligor's driver license or recreational license. The department or its agent shall notify the obligor by first class mail at the obligor's current address or, after a reasonable attempt to ascertain the obligor's location, at the obligor's last known address. The notice shall state the following: