R.I. Gen. Laws § 46-18-11: Effect of sale on execution — Redemption.

Any sale of the mill or milldam and appurtenances thereof made on the execution shall be valid and effectual against the defendant and against all persons whose titles shall accrue after the service of the complaint in the action; but any person entitled to the premises sold may redeem the premises at any time within one year after the sale, upon paying to the purchaser or person holding under him or her the sum paid therefor, with interest thereon at the rate of twelve percent (12%) per annum.