R.I. Gen. Laws § 5-83-4: Emergency contact information.

The firm name and emergency telephone number of a gas dealer that delivers propane to a stationary DOT cylinder and/or an ASME tank with an aggregate capacity of less than four thousand gallons (4,000 gals.) water storage capacity shall be affixed and legibly maintained in a visible location on or near all such stationary propane containers in text at least one-half (½) inch in height.