New Jersey Statutes Title 27. Highways 27 § 14-24.2

The board of chosen freeholders of any county of the first class may, by resolution, provide that the county road supervisor of the county shall continue to be the county road supervisor of the county during good behavior, and that he shall not be removed as the county road supervisor except for cause on notice and after a hearing before the board of chosen freeholders; provided that the county road supervisor holds a valid public works manager certificate issued pursuant to the provisions of P.L.1991, c. 258 (C.40A:9-154.6a et seq.) and has previously acquired tenure as a municipal superintendent of public works under the provisions of section 2 of P.L.1981, c. 383 (C.40A:9-154.6).