New Jersey Statutes Title 56. Trade Names, Trade-Marks and Unfair Trade Practices 56 § 6-3

Every retail dealer who shall fail to post and publicly display, in the manner herein required, a sign stating the price per gallon, or per gallon and per liter, of all motor fuel sold by said retail dealer, or who shall sell motor fuel at a price other than the per gallon or per liter price, as provided in article II hereof, or who shall violate any other provisions of article II of this act,  1 shall, upon conviction, be subject to a penalty of not more than $1,500 for the first offense and not more than $3,000 for the second and any subsequent offense, and his license shall be suspended for a period of not less than five (5) days nor more than thirty (30) days, and in default of the payment of such penalty shall be imprisoned for a period not to exceed 30 days. If there shall be a conviction upon a second or subsequent offense, the license of the convicted retail dealer, issued under the provisions and procedure in chapter thirty-nine of Title 54 of the Revised Statutes,  2 shall be revoked by the Director of the Division of Taxation.