New Jersey Statutes Title 56. Trade Names, Trade-Marks and Unfair Trade Practices 56 § 8-156.2

a. A seller shall not impose on a customer who uses a credit card for a transaction occurring in New Jersey a surcharge that is greater than the actual cost to the seller to process the credit card payment. A seller subject to the provisions of P.L.2023, c. 146 (C.56:8-156.1 et seq.) shall make available to the Director of the Division of Consumer Affairs in the Department of Law and Public Safety for inspection any account books, papers, documents, and other records necessary to enable the director to determine reasonable compliance with the provisions of P.L.2023, c. 146 (C.56:8-156.1 et seq.).

b. A seller that imposes a surcharge on a customer to process a credit card payment shall disclose the amount of the surcharge to a customer, prior to the customer incurring any charge for goods or services, by, in the case of a seller other than a restaurant, posting clear and conspicuous notice on a sign at the point of entry and point of sale or, in the case of a restaurant, on a sign in the customer service area and on the menu, except:

c. A violation of this section is an unlawful practice pursuant to P.L.1960, c. 39 (C.56:8-1 et seq.).