R.I. Gen. Laws § 18-2-9: Recording of decree of appointment.

In case real estate constitutes any portion of the trust property, a certified copy of the order or decree of the court appointing the trustees, under the seal of the court making the order or decree, shall be recorded in the records of land evidence in the town or city where the real estate lies; and in case personal estate constitutes the trust property or any portion of it, a copy of the order or decree of the court, similarly certified, shall be recorded in the records of land evidence in the town or city in which the trustee or trustees, or any of them, may reside.