As others have stated, you will want to report this incident quickly to your local police department. You'll need a copy of the police report to obtain a replacement(s). You can find out more here on the DMV website -- https://dmv.ri.gov/registrations-plates-titles/license-plates/lost-or-damaged-plates Please contact the DMV administration using this online form -- https://dmv.ri.gov/locations-hours/questions-feedback if you begin to receive notices for traffic violations (via traffic cameras) as the staff can provide a letter to submit to police/courts to get fines waived.