US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter III — FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 365 — RULES GOVERNING APPLICATIONS FOR OPERATING AUTHORITYSubpart C — General Rules Governing the Application Process365.30349 C.F.R. § 365.303Contacting another party.Last amended: 2016Year: 2026Length: 41 wordsOfficial source Cite as 49 C.F.R. § 365.303 (2026)When a person wishes to contact a party or serve a pleading or letter on that party, it shall do so through its representative. The phone and FAX numbers and address of applicant's representative shall be listed in the FMCSA Register.Next49 C.F.R. § 365.305