R.I. Gen. Laws § 45-16-4.3: Service of process by constables.

The department of business regulation, upon application being made by a town constable to serve civil process, may authorize the constable to serve or execute any process or writs issued by or returnable to any court in accordance with § 9-5-10.1. Upon being so authorized, the town constable shall have the power and authority to serve or execute all writs and process that may issue from any court.