New Jersey Statutes Title 40. Municipalities and Counties 40 § 55D-77

The governing bodies of two or more municipalities, independently or with the board or boards of chosen freeholders of any county or counties in which such municipalities are located or of any adjoining county or counties or the governing body of any municipality and the board of chosen freeholders in which such municipality is located, or the boards of chosen freeholders of any two or more adjoining counties, may, by substantially similar ordinances or resolutions, as the case may be, duly adopted by each of such governing bodies within 6 calendar months after the adoption of the first such ordinance or resolution after notice and hearing as herein required, enter into a joint agreement providing for the joint administration of any or all of the powers conferred upon each of the municipalities or counties pursuant to this act. Such ordinance may also provide for the establishment and appointment of a regional planning board, a regional board of adjustment, or a joint building official, joint zoning officer or other officials responsible for performance of administrative duties in connection with any power exercised pursuant to this act.