means a contractual agreement wherein a creditor agrees, with or without a separate charge, to cancel or waive all or part of amounts due on a borrower's financial agreement in the event of a total physical damage loss or unrecovered theft of the motor vehicle, which an agreement shall be part of, or as a separate addendum to, the financial agreement. A GAP waiver may also provide, with or without a separate charge, a benefit that waives an amount or provides a borrower with a credit towards the purchase of a replacement motor vehicle,
Okla. Stat. tit. 15, § 140.4