69 Pa. Stat. § 1901
A retail installment account may be established by the seller upon the request of a buyer or prospective buyer. A statement setting forth the rates of service charge, which shall not exceed those authorized by this article, and describing the balance on which such service charge will be computed, shall be printed in type no smaller than eight point in every application form used by the seller and shall be stated to the applicant when such installment accounts are negotiated by telephone.
Subject to the other provisions of this article, a retail installment account may be established by a financing agency on behalf of one or more sellers from whom the financing agency may, with the buyer's consent purchase or acquire indebtedness of the buyer to be paid in accordance with the agreement.
69 P.S. § 1901