N.J. Stat. Ann. § 30:4-34.1

A person who holds the position of county adjuster by virtue of holding one of the offices under R.S. 30:4-34 and who has held the position of county adjuster continuously for 5 years or more shall continue to hold the position of county adjuster, notwithstanding he is serving in one of the offices under R.S. 30:4-34 for a fixed term or at the pleasure of the governing body of the county, during good behavior and efficiency and shall not be removed therefrom except for good cause.