Any person has tenure and holds his or her position as municipal tax assessor during good behavior and efficiency and compliance with requirements for continuing education, and is not subject to removal, except for good cause shown at a proper hearing before the Director, notwithstanding the fact that such person was appointed for a fixed term of years, if he or she holds a tax assessor certificate and serves four or more consecutive years as a municipal tax assessor and is reappointed.
N.J. Admin. Code § 18:17-3.2