49 C.F.R. Appendix C to Part 172—Dimensional Specifications for Recommended Placard Holder
Title 49 - Transportation
Title 49: Transportation
PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, AND TRAINING REQUIREMENTS
Subpart I—Security Plans
Appendix C to Part 172—Dimensional Specifications for Recommended Placard Holder