N.J. Stat. § 38:23A-2
When the qualifications for any examination or test for, or appointment or election to any office, position or employment under the government of this State, or of any county, municipality, school district or other political subdivision of this State, or under any board, body, agency or commission of this State, or of any county, municipality or school district, includes a maximum age limit, any person who, heretofore and subsequent to July 1, 1940, entered or hereafter, in time of war, shall enter the active military or naval service of the United States or the active service of the Women's Army Corps, the Women's Reserve of the Naval Reserve or any similar organization authorized by the United States to serve with the Army or Navy, including service as a member of the American Merchant Marine during World War II which is declared by the United States Department of Defense to be eligible for federal veterans' benefits, shall be deemed to meet such maximum age requirement, if his actual age, less the period of such service, would meet the maximum age requirement in effect on the date the person entered into such service of the United States. As used in this section the term "war" shall include the conflicts in Viet Nam and Korea.
N.J.S. § 38:23A-2