New York Consolidated Laws, General Business Law § 518. Credit card surcharge prohibited:
" No seller in any sales transaction may impose a surcharge on a holder who elects to use a credit card in lieu of payment by cash, check, or similar means. Any seller who violates the provisions of this section shall be guilty of a misdemeanor punishable by a fine not to exceed five hundred dollars or a term of imprisonment up to one year, or both."