Partnerships and unincorporated associations

N.Y. Civil Practice Law & Rules Law § 1025, under Parties Generally.

N.Y. Civil Practice Law & Rules Law § 1025

§ 1025. Partnerships and unincorporated associations. Two or more persons conducting a business as a partnership may sue or be sued in the partnership name, and actions may be brought by or against the president or treasurer of an unincorporated association on behalf of the association in accordance with the provisions of the general associations law.