N.J. Stat. § 18A:13-59
If the question is adopted at said elections, the withdrawal of the district or the dissolution of the regional district shall become effective upon a date to be determined by the Commissioner of Education. For withdrawal from a regional district, the question shall be deemed adopted if it receives an affirmative vote of a majority of the votes cast within the withdrawing constituent district and it receives an affirmative vote of a majority of the overall votes cast in the entire regional district. For dissolution of a regional district, the question shall be deemed adopted if it receives an affirmative vote in a majority of the individual constituent districts and it receives an affirmative vote of a majority of the overall votes cast in the entire regional district.
N.J.S. § 18A:13-59