New Jersey Statutes Title 18A. Education 18A § 18A-14

In the event that any controversy or dispute shall arise among the parties (except a municipality or county) to any such contract, the same shall be referred to the county superintendent of the county in which the districts are situate for determination and his determination thereon shall be binding, subject to appeal to the commissioner and the State board pursuant to law. In the event that the districts are in more than one county, the controversy or dispute shall be referred to the county superintendents of the counties for joint determination, and if they shall be unable to agree upon a joint determination within 30 days, the controversy or dispute shall be referred to the commissioner for determination.