Rule 4501-9-01. Lighting requirements

These requirements apply to rural mail delivery vehicles displaying flashing lights which are not owned or leased by the U.S. postal service but authorized by the U.S. postal service to be used for delivery of the U.S. mail by designated carriers using vehicles not originally designed for use as mail delivery vehicles. Last updated October 21, 2025 at 1:34 PM Supplemental Information Authorized By: – Amplifies: – Five Year Review Date: