New Jersey Statutes Title 43. Pensions and Retirement and Unemployment Compensation 43 § 16A-39

The board of trustees may by resolution admit as members into the retirement system the police employees of any county park commission in counties of the first or second class. Whenever any such county park commission shall so request, the board of trustees shall make an investigation to determine the eligibility of the county applicants and may thereafter, subject to the provisions of the act to which this act is a supplement  1 and the rules and regulations of the board of trustees, admit such persons to membership in the retirement system.