New Jersey Statutes Title 18A. Education 18A § 38-36

The commissioner of education and the commissioner of labor and industry may issue employment certificates to pupils over 14 years of age who study part time in elementary or high school grades or in public vocational schools, to work part time in factories, workshops, mills, and all places where the manufacture of goods is carried on designated by the board of education, which employment shall be considered as a part of the schooling of such children and shall conform to state and federal rules and regulations for the employment of youth.

The commissioner of education or the commissioner of labor may revoke the certificate at any time without assigning cause.