Rhode Island General Laws Title 33. Probate Practice and Procedure § 33-22-18. Administration of oaths

Oaths required in proceedings in probate courts may be administered by the judge or clerk, in or out of court, or by a notary public or justice of the peace; and when administered out of court, a certificate thereof shall be returned and filed or recorded with the proceedings, but the judge may require any oath to be taken in open court.