N.J. Stat. Ann. § 6:1-33

It shall be the duty of all departmental and political subdivisions of this State, all peace officers, and every county and municipal officer charged with the enforcement of State and municipal laws to enforce and assist in the enforcement of the provisions of this act and the rules, regulations and orders issued and promulgated pursuant thereto and all laws of the State of New Jersey with reference to aeronautics. Airport regulations adopted by any local subdivisions operating an airport shall be inoperative in so far as such regulations are inconsistent with the provisions of this act or with the rules, regulations and orders issued and promulgated pursuant thereto.