[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: 49CFR397.63] [Page 478] TITLE 49--TRANSPORTATION DEPARTMENT OF TRANSPORTATION PART 397_TRANSPORTATION OF HAZARDOUS MATERIALS; DRIVING AND PARKING RULES--Table of Contents Subpart C_Routing of Non-Radioactive Hazardous Materials Sec. 397.63 Applicability. The provisions of this subpart apply to any State or Indian tribe that establishes, maintains, or enforces any routing designations over which NRHM may or may not be transported by motor vehicle. They also apply to any motor carrier that transports or causes to be transported placarded or marked NRHM in commerce.