A.R.S. § 23-642

The department may compromise a claim for contributions or payments in lieu of contributions more than two years in arrears, or an action in relation thereto. When a compromise is made, there shall be placed in the files thereof a statement of the amount of contributions or payments in lieu of contributions due, the amount assessed, the amount of additional contributions, penalty and interest imposed by law in consequence of the neglect or delinquency of the employer in question and the amount actually paid in accordance with the terms of the compromise.