New Jersey Statutes Title 40A. Municipalities and Counties 40A § 14-12

Except as otherwise herein provided, no person shall be appointed as a member or officer of the paid fire department or force or as a paid member or officer of a part-paid fire department or force in any municipality, who is under 21 or over 35 years of age.

In any municipality wherein Title 11  1 (Civil Service) of the Revised Statutes is operative, any person who shall have met the age requirements herein, at the announced closing date of a civil service examination for the position, shall be considered within the age requirements while the civil service list promulgated as a result of that examination is in effect.

Nothing herein contained shall affect the employment or continuance in office of any person, as a permanent fireman, employed by said municipality prior to the adoption of the ordinance creating and establishing a paid or part-paid fire department or force.

The provisions of this section are subject to chapter 98 of the laws of 1944 (C. 38:23A-2), relating to maximum age limits for persons serving in the armed forces of the United States as therein provided.