N.J. Stat. § 53:3-6: Penalty for wearing or imitating uniform

No person other than a member of the department of state police shall, directly or indirectly, wear, use, or order to be worn or used, copy or imitate in any respect or manner the standard uniforms specified in section 53:3-5 of this title. Any person who shall violate any provision of this section shall be guilty of a misdemeanor, and punished by a fine not exceeding two hundred and fifty dollars, or by imprisonment in the county jail for a term not exceeding one year, or both, at the discretion of the court.

The term "person" as used herein shall include individuals, associations, corporations, or agents, officers or officials elected or appointed by any municipality or county.