49 CFR § 386.7 - Filing of documents.
Address and method of filing. A person serving or tendering a document for filing must personally deliver or mail one copy of each document to all parties and counsel or their designated representative of record if represented. A signed original and one copy of each document submitted for the consideration of the Assistant Administrator, an Administrative Law Judge, or Hearing Officer must be personally delivered or mailed to: Department of Transportation Docket Operations, 1200 New Jersey Ave., SE., Washington, DC 20590-0001. A person will serve a copy of each document on each party in accordance with § 386.6 of this subpart.