R.I. Gen. Laws § 17-19-25
Immediately upon the close of the polls, the bipartisan pair of supervisors shall securely bind, tie, or seal the certified voting list in the manner that shall be required by the state board, and the supervisors shall affix thereon their certificate under oath that the marks within the certified voting list next to each voter's name comprise one for each person who was permitted to pass before the warden and to cast a vote at the election, and that to the best of his or her knowledge and belief no person voted at the election who did not sign the certified voter list, and that each of the persons was identified in the manner provided by law before being permitted to vote. The bipartisan pair of supervisors shall then give the certified voter list to the warden, who shall deliver the list to the local board together with the affidavits and materials used at the election.
R.I. Gen. Laws § 17-19-25