N.J. Stat. § 38:16-4
No person now holding any employment, position or office under a commission, elected or appointed by the governing bodies of two or more municipalities, which, by legislative authority, have entered into an agreement for the election or appointment of such commission, whose term of employment, office or position is not now fixed by law, who has served as a soldier, sailor, marine or nurse, in any war of the United States, or who served as a member of the American Merchant Marine during World War II and is declared by the United States Department of Defense to be eligible for federal veterans' benefits, and has been honorably discharged from the service of the United States, prior to such employment in or occupancy of such position or office, shall be removed from such employment, position or office, except for good cause shown after a fair and impartial hearing, but such person shall hold his employment, position or office during good behavior, and shall not be removed for political reasons.
For the purposes of this section no term of office, position or employment of any person shall be deemed to be fixed by law or coterminous with that of the employing or appointing board or body by reason of the fact that such person was or is appointed or employed by a noncontinuous board or body.
N.J.S. § 38:16-4