N.J. Stat. § 34:11-56.87
Any waterfront employer who discharges or in any other manner discriminates against any longshoreman because the longshoreman has made any complaint to his waterfront employer, to a representative of the longshoreman, a public body, or the commissioner that he has not been paid wages in accordance with the provisions of this act, or because the longshoreman has caused to be instituted or is about to cause to be instituted any proceeding under or related to this act, or because the longshoreman has testified or is about to testify in any such proceeding, or because the longshoreman has requested information from the waterfront employer relevant to such a proceeding, shall be in violation of this act, shall be guilty of a disorderly persons offense, and shall, upon conviction therefor, be fined not less than $1,000 nor more than $2,500. Such fines shall be in addition to the payment of any wage deficiencies.
N.J.S. § 34:11-56.87