R.I. Gen. Laws § 22-14-2: Quorum — Meetings.

Six (6) members of the commission shall constitute a quorum for the transaction of any business. Meetings of the commission may be held at any time or place upon call of any member, after a reasonable notice by mail to the other members, and shall be held at the times and places as in the judgment of the commission will best serve the convenience of all parties in interest.