A. Upon written request from the buyer, the holder of a retail installment contract shall give or forward to the buyer a written statement of the dates and amounts of payments and the total amount unpaid under such contract. A buyer shall be given a written receipt for any payment when made in cash.
B. No provision in a retail installment contract relieving the seller from liability for any legal remedies which the buyer may have against the seller under the contract, or any separate instrument executed in connection therewith, shall be enforceable.