N.J. Stat. Ann. § 40A:65-10

10. In the event that any authority, board, commission, district, joint meeting, regional service agency, or other body created by one or more local units proposes to enter into a contract under sections 1 to 37 of P.L.2007, c.63 (C.40A:65-1 et al.), whereby that entity agrees to have performed on its behalf services, the cost of which shall equal one-half or more of the total costs of the services being performed by that entity immediately prior to the adoption of the proposed contract, then the contract shall require approval by resolution of the governing body of each local unit which created the entity or which has become a participant therein subsequent to its creation.