New Jersey Statutes Title 40. Municipalities and Counties 40 § 54-29.6

After the adoption of such ordinance, each governing body shall notify each of the other governing bodies proposing to unite in the joint library of such adoption. After the adoption of such ordinances by all such governing bodies, the question of uniting in such undertaking shall be submitted to the legal voters of each such municipality at the next general election unless said election is less than 40 days after the adoption of such ordinances, in which event it shall be submitted at the next succeeding general election.