N.J. Stat. Ann. § 40:55D-83

Termination of a joint agreement pursuant to section 65 of this act shall not be made effective earlier than June 30 next succeeding the expiration of 12 full calendar months following the decision to terminate; provided that such termination may occur at an earlier date if the parties to the joint agreement unanimously agree to such earlier date on or after the date of the decision to terminate as provided by the joint agreement.