(a) Add-on provisions.--A closed-end credit agreement that includes an add-on sales provision shall comply with the requirements of this chapter and may contain the following provisions:

(1) The seller may add subsequent purchases made by the buyer to the agreement.

(2) The total price of the goods or services covered by the agreement shall be increased by the price of the additional goods or services.

(3) The seller may increase finance charges and installment payments proportionately.

(4) The terms and conditions of the agreement shall apply equally to the additional goods or services.

(5) The goods purchased under the previous agreement shall be security for the goods purchased under the subsequent agreement but only until the time sale price under the previous agreement is fully paid.

(b) Allocation.--

(1) When a subsequent purchase is made, the entire amount of all previously made payments is deemed to have been applied toward the payment of the previous time sale price.

(2) A payment received after a subsequent purchase is made is deemed to be allocated to all the various time sale prices in the same proportion or ratio as the original purchase prices of the various purchases bear to one another.

(3) If the amount of each installment payment is increased in connection with the subsequent purchase, the subsequent payments at the seller's election may be deemed to be allocated as follows:

(i) An amount equal to the original installment payment to the previous time sale price.

(ii) An amount equal to the increase to the subsequent time sale price.

(4) The amount of an initial or down payment on a subsequent purchase is deemed to be allocated in its entirety to the subsequent purchase.

(c) New agreement.--When a subsequent purchase is made, the seller shall deliver to the buyer prior to the due date of the first installment a new agreement that sets forth all of the following:

(1) The information under section 6322(1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11) and (12) (relating to contents) as it relates to the subsequent purchase.

(2) The unpaid time balance of the prior agreement with the seller.

(3) The new unpaid balance, which is the sum of the amount under paragraph (2) and the amount described in section 6322(11) for the subsequent purchase.

(4) The consolidated time balance, which is the sum of the unpaid balance under paragraph (3) and the amount of the finance charge payable by the buyer to the seller, including the following:

(i) The number of installments required.

(ii) The amount of each installment expressed in dollars.

(iii) The due date or period for each installment.

(5) A statement that the seller is adding the subsequent purchase to the buyer's existing agreement in accordance with the provisions of that agreement.

Cross References. Section 6329 is referred to in sections 6321, 6322, 6327, 6333, 6353 of this title.