Regulations last checked for updates: Feb 10, 2026

Title 49 - Transportation last revised: Feb 03, 2026
§ 551.33 - Address of communications.

Unless otherwise specified, communications shall be addressed to the Administrator, National Highway Traffic Safety Administration, U.S. Department of Transportation, 400 Seventh Street SW., Washington, DC 20590. Communications may not be addressed to a staff member's private address.

[36 FR 1147, Jan. 23, 1971; 38 FR 20086, July 27, 1973]
authority: Secs. 110(e), 119, 80 Stat. 719, 728 (15 U.S.C. 1399,1407; 23 U.S.C. 315,401; delegation of authority, 31 FR 13952, 32 FR 5606
source: 33 FR 19700, Dec. 25, 1968, unless otherwise noted. Redesignated at 35 FR 5118, Mar. 26, 1970.
cite as: 49 CFR 551.33