N.J. Stat. Ann. § 18A:8-9

The governing body of the applying municipality may, within 30 days after the filing of the report, petition the commissioner for permission to submit to the legal voters of the municipality the question whether or not the municipality shall be constituted a separate school district, and in such petition may request any specific reduction or increase in the amount of indebtedness to be assumed. Proof of the service of a copy of the petition upon each municipality in the original school district, the board of education thereof, and the county superintendent, prior to the filing of the petition, shall accompany the petition.