Except as provided in § 2507.2, the seller shall deliver to the buyer, or mail to the buyer at his or her address shown on the retail installment contract, a legible, executed, and completed copy of the contract prior to the delivery of the consumer goods or services or prior to the consummation of the transaction, whichever occurs first.
If the transaction is one of a series of sales, the other disclosures for the particular sale required by §§ 2505, 2506, and this section may be made at any time not later than the date the first payment for that sale is due if the seller furnishes the buyer a memorandum of the sale at the time the sale is consummated or the goods are delivered, whichever occurs first, that clearly sets forth the following:
D.C. Mun. Regs. tit. 26, r. 26-C2507