N.J. Stat. § 43:13-38
For the purposes of this article, the words "municipal employee" or "employee or officer" mean and include all employees in the competitive class of civil service of any village in counties of the first class, as well as such employees of any village in counties of the first class holding any position of permanent employment, including laborers. Laborers, to be recognized as permanent employees, shall have worked an average of not less than two hundred working days each year from the original date of employment. The words "municipal employee" or "employee or officer" shall not be held to include any member of the police or fire departments eligible for a pension under chapter sixteen of this Title (43:16-1 et seq.). The pension commission herein created shall have power to determine whether or not the employment of any employee or officer as aforesaid is permanent within the meaning of this article.
N.J.S. § 43:13-38