(a) A retail installment contract or retail charge agreement may not:
(1) provide for a waiver of the retail buyer’s rights of action against the holder or a person acting on the holder’s behalf for an illegal act committed in:
(A) the collection of payments under the contract or agreement; or
(B) the repossession of goods; or
(2) provide that the retail buyer agrees not to assert against the retail seller a claim or defense arising out of the sale.
(b) A retail buyer may not waive any provision of this chapter before or at the time of the making of a retail installment contract, retail charge agreement, or purchase under the contract or agreement.