R.I. Gen. Laws § 42-30-4: Certificate of engagement — Term of engagement.

(a) Except as otherwise provided, each justice of the peace shall, at the time of receiving the justice's commission, file with the secretary of state a certificate that the justice of the peace has been duly engaged thereon, signed by the person before whom the engagement shall have been taken, and the secretary of state shall, at the request of the justice of the peace and upon payment of the actual cost thereof, issue a wallet-size identification card to the person.

(b) The term of engagement for each justice of the peace shall be for a period of four (4) years.