[Code of Federal Regulations] [Title 49, Volume 6] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR551.67] [Page 136] TITLE 49--TRANSPORTATION CHAPTER V--NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 551_PROCEDURAL RULES--Table of Contents Subpart D_Service of Process on Foreign Manufacturers and Importers Sec. 551.67 Where and how may an agent be served? An agent may be served at the agent's office or usual place of residence, by registered or certified mail addressed to the agent with return receipt requested, or by any other manner authorized by law.