New Jersey Statutes Title 40. Municipalities and Counties 40 § 69A-181

(a) Except as may otherwise be provided in this act, all ordinances shall be adopted and published in the manner required by general law; provided, however, that any ordinance may incorporate by reference any standard technical regulations or code, official or unofficial, which need not be so published whenever ten copies of said regulations or code have been placed on file in the office of the municipal clerk and in the office of the body or department charged with the enforcement of said ordinance for the examination of the public so long as said ordinance is in effect.

(b) No ordinance other than the local budget ordinance shall take effect less than twenty days after its final passage by council and approval by the mayor where such approval is required, unless the council shall adopt a resolution declaring an emergency and at least two-thirds of all the members of the council vote in favor of such resolution.