N.J. Stat. Ann. § 52:27D-512

4. Any propane gas supplier or marketer who neglects or knowingly fails to comply with the requirements of this act or of the regulations issued thereunder shall be subject to a penalty not to exceed $1,000 per violation, which penalty may be imposed by the department and recovered in a civil action by a summary proceeding pursuant to the "Penalty Enforcement Law of 1999," P.L.1999, c.274 (C.2A:58-10 et seq.). Payment of any such penalty shall be remitted to the department.