N.J. Stat. Ann. § 53:2-6

All moneys received under the terms of any contract entered into pursuant to this act, in excess of the costs chargeable thereto, shall be forthwith deposited with the State Treasurer and, thereupon, placed to the credit of the State Police Retirement and Benevolent Fund established pursuant to the provisions of chapter 188 of the laws of 1925, as continued by section 53:5-1 of the Revised Statutes.