N.J. Stat. Ann. § 40:41A-17

If the charter study commission shall have proposed a special charter, it shall be the duty of the board of freeholders to petition the Legislature forthwith for a special law or laws, pursuant to the State Constitution and in the manner provided by general enabling legislation thereunder, to carry out the recommendations of the charter study commission. Upon enactment of such enabling legislation, the special charter shall be submitted to the voters of the petitioning county for adoption in a manner provided in sections 15 and 16 of this act, or as may otherwise be appropriate. No special charter shall become operative until approved by a majority of all of the votes cast for and against said adoption.