N.J. Stat. § 4:12-41.19
Any employee of any person buying milk or cream on the basis of the amount of butter fat contained therein, or any person testing milk or cream for percentage of butter fat violating any of the provisions of this act, upon conviction thereof shall be fined not less than twenty-five dollars ($25.00) or more than five hundred dollars ($500.00) or be imprisoned in the county jail for not less than ten days or more than ninety days. Any person buying or paying for milk or cream on the basis of the butter fat contained therein, violating any provisions of this act, upon conviction thereof shall be fined in the sum of one hundred dollars ($100.00) or be imprisoned in the county jail for not less than ten nor more than ninety days for the first offense and in the sum of not less than one hundred dollars ($100.00) nor more than one thousand dollars ($1,000.00) or be imprisoned in the county jail for not less than sixty days nor more than six months for each subsequent offense.
N.J.S. § 4:12-41.19