A seller or holder who violates any provision of this chapter is barred from recovery of any finance charge, official fees and delinquency charge under or in connection with the related retail installment contract or the related retail charge account agreement for as long as the violation continues. This section does not bar the seller or holder from recovery from the buyer of an amount equal to the cash price of the goods or services and the cost to the seller or holder of any insurance included in the transaction.
A.R.S. § 44-6006