[Code of Federal Regulations] [Title 49, Volume 5] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR368.2] [Page 59] TITLE 49--TRANSPORTATION DEPARTMENT OF TRANSPORTATION PART 368_APPLICATION FOR A CERTIFICATE OF REGISTRATION TO OPERATE IN MUNICIPALITIES IN THE UNITED STATES ON THE UNITED STATES-MEXICO Sec. 368.2 Definitions. Interstate transportation means transportation described at 49 U.S.C. 13501, and transportation in the United States otherwise exempt from the Secretary's jurisdiction under 49 U.S.C. 13506(b)(1). Mexico-domiciled motor carrier means a motor carrier of property whose principal place of business is located in Mexico.