R.I. Gen. Laws § 11-18-18: Penalty for violations with respect to fuels and lubricants.

Any person, firm, or corporation or any officer, agent, servant, or employee who shall violate any provision of §§ 11-18-13 — 11-18-17 shall be fined not less than fifty dollars ($50.00) nor more than three hundred dollars ($300), or be imprisoned ninety (90) days, or shall suffer both fine and imprisonment, and each separate sale or attempt to sell in violation of these provisions shall be deemed a separate offense.