R.I. Gen. Laws § 23-28.19-11: Smoking regulations.

Signs prohibiting smoking shall be prominently displayed at all entrances and at other locations within any tent used as a place of assembly, so that they may be clearly visible to all occupants. Frequent announcements regarding the prohibition shall be made, preferably over a public address system if available. Suitable non-combustible containers shall be provided at all entrances for the proper disposition of cigar or cigarette butts and pipe dottle, and a uniformed attendant shall be stationed at the locations to advise patrons of the no smoking regulations.