R.I. Gen. Laws § 31-37-16.2: Air pumps.

(a) Every retail dealer shall display and maintain a compressed air pump which shall be available during the hours the business is open whether the business is an attended or self service gas station. The division of motor vehicles of motor vehicles, safety and emission control unit, shall be responsible for the enforcement of this section and the bringing of complaints under § 31-37-17.

(b) The provisions of § 31-37-18 shall apply to the division of motor vehicles, and any of its agents in the enforcement of this section.