R.I. Gen. Laws § 2-4-15: Cooperation between districts.

(a) Any two (2) or more districts may engage in joint activities by agreement between or among them in planning, financing, constructing, operating, maintaining and administering any program or project concerning the conservation of renewable natural resources. The districts concerned may make available for purposes of the agreement any funds, property, personnel, equipment or services available to them under this chapter.

(b) Any district may, with the concurrence of the state committee, enter into agreements with a district, districts or responsible agency in adjoining states to carry out those purposes if the law in those states permits the district and agencies in those states to enter into agreements. The committee has the authority to propose, guide and facilitate the establishment and carrying out of any agreements.