Illinois Statutes Chapter 815. Business Transactions § 140/1. Definitions

(a) “Credit card” has the meaning set forth in Section 17-0.5 of the Criminal Code of 2012,  1 but does not include “debit card” as defined in that Section, which can also be used to obtain money, goods, services and anything else of value on credit, nor shall it include any negotiable instrument as defined in the Uniform Commercial Code, as now or hereafter amended;  2

(b) “Merchant credit card agreement” means a written agreement between a seller of goods, services or both, and the issuer of a credit card to any other party, pursuant to which the seller is obligated to accept credit cards; and

(c) “Credit card transaction” means a purchase and sale of goods, services or both, in which a seller, pursuant to a merchant credit card agreement, is obligated to accept a credit card and does accept the credit card in connection with such purchase and sale.