R.I. Gen. Laws § 3-5-20
All licenses issued shall be in any form prescribed by the department of business regulation and the license shall be held under any rules and regulations as the department shall impose, establish, and authorize and the department is authorized to establish rules and regulations and to authorize the making of any rules and regulations by the licensing authority of the several towns and cities as in their discretions in the public interest seem proper to be made. Notwithstanding any of the foregoing provisions of this section, the adoption or authorization of rules and regulations by the department and the modification or repeal of any rules and regulations previously adopted shall be by written order of the department and adopted in accordance with the provisions of chapter 35 of title 42.
R.I. Gen. Laws § 3-5-20