R.I. Gen. Laws § 3-8-5

Any person who sells or suffers to be sold or delivered any beverage to a person who has not reached his or her twenty-first (21st) birthday either for his or her own use or the use of his or her parents or any other person, or allows any person who has not reached his or her twenty-first (21st) birthday to drink beverages on premises licensed under this title or suffers or allows any persons who have not reached their eighteenth (18th) birthday to sell or serve any beverage on the premises shall for the first offense be subject to a fine of two hundred fifty dollars ($250); for the second offense, be subject to a fine of five hundred dollars ($500), and for the third and any subsequent offense, be subject to a fine of seven hundred fifty dollars ($750). In the event that there are no offenses in three (3) successive years from the date of the last offense, then the next offense shall be treated as a first offense. Nothing in this chapter shall be construed to prevent licensees from hiring any person who has reached his or her eighteenth birthday.