City and town councils may establish joint agreements between two (2) or more municipalities for the purpose of purchasing materials, supplies, tools, and other items common in usage between units of local government. City or town councils may, jointly or independently, seek the services of the division of purchases, department of administration, in procuring items necessary to the operation of the city or town which it governs and which items are common in usage to those procured by the state, and the division of purchasers shall, upon request, by a city or town council, furnish lists of supplies and equipment to city or town purchasing agents.
R.I. Gen. Laws § 45-5-20