R.I. Gen. Laws § 2-13-3: Filing of notices of ratification and consent.

The original notice of ratification received from the governor or other authorized official of any state or province joining in the compact shall be filed with the official copy of the compact in the office of the secretary of state of this state, and the notice, if any, as may be received from the president or the congress of the United States, signifying the consent of the congress to the compact, shall be filed in the same manner.