R.I. Gen. Laws § 39-2-18: Shutoff devices for gas appliances.

No person, firm, corporation, or other business entity shall install in any home or business establishment any appliance that operates by the use of consumption of a combustible gas unless a shutoff device approved by the division of public utilities and carriers controlling the flow of gas into the appliances is also installed in the immediate area of the appliance; and, provided, further, that any person, firm, corporation, or other business entity that removes a valve or leaves a gas line without the shutoff device shall be guilty of a misdemeanor, and shall be subject to a fine not exceeding one hundred dollars ($100).