N.J. Stat. Ann. § 18A:13-57

7. If the application be granted, the county superintendent shall, after conferring with the boards of education of the constituent districts, fix a day and a time on said day for holding a special school election, at which time the question whether or not the withdrawing school district shall withdraw from the regional district or whether the regional district shall be dissolved, whichever shall be applicable, shall be submitted to the legal voters of the withdrawing district and to the legal voters within the remainder of the regional district or to the legal voters of each of the constituent districts in the event of a dissolution.