N.J. Stat. Ann. § 34:15-101

Every employer, insurer or other person failing to comply with the terms of this article shall, for each offense, be liable to a penalty of not less than ten nor more than fifty dollars, the amount thereof to be determined by and paid to the commissioner of labor. Upon refusal to pay such fine, the same shall be recovered in an action at law by the commissioner of labor in the name of the state of New Jersey.