N.J. Stat. Ann. § 34:8C-3

3. Any labor contractor or client employer who violates this act shall be subject to a civil penalty in an amount not to exceed $1,000 per worker supplied to a client employer by the labor contractor for the first violation, $5,000 per worker supplied to a client employer by the labor contractor for the second violation and $10,000 per worker supplied to a client employer by the labor contractor for each subsequent violation, collectible by the commissioner in a summary proceeding pursuant to the "Penalty Enforcement Law of 1999," P.L.1999, c.274 (C.2A:58-10 et seq.). Each worker that a labor contractor supplies to a client employer without complying with the certification requirements of this act shall constitute a separate violation. Each worker that a client employer obtains from a labor contractor without obtaining certification from the contractor as required by this act shall constitute a separate violation.