R.I. Gen. Laws § 13-9-5: Additional jurisdictions as parties to compact.

It is recognized and further declared that, pursuant to the consent and authorization contained in 4 U.S.C. § 112, this state shall be a party to the Interstate Compact for the Supervision of Parolees and Probationers with any additional jurisdiction legally joining in the compact when that jurisdiction shall have enacted the compact in accordance with its terms.