New Jersey Statutes Title 4. Agriculture and Domestic Animals 4 § 13-26

Any association may enter into marketing contracts or agreements with any of its members and into contracts and agreements with any marketing or purchasing agency for the purpose of carrying out the objects of the association.

Any two or more associations may have marketing or purchasing agencies in common, or otherwise unite in employing the same means for conducting their respective businesses;  and such associations and their members may make the necessary contracts and agreements to effect such purposes.