N.J. Stat. § 40A:14-64
Whenever an exempt fireman holds a State, county, municipal or a board of education office not created by the Constitution, he shall hold such office during good behavior and shall not be removed unless for good cause after a fair and impartial hearing, provided he has or shall have served in said office for a term of 3 consecutive years.
Any such hearing shall be upon a written complaint setting forth the charge or charges and filed with the authority in charge. A copy thereof shall be served upon the person so charged with notice of the time and place of the hearing thereon. The person so charged shall have the right to be represented by counsel and to subpoena witnesses and documentary evidence.
Nothing herein contained shall be construed to give tenure of office to such exempt fireman in a paid or part-paid fire department and force.
N.J.S. § 40A:14-64