49 C.F.R. § 172.303 Prohibited marking.
Title 49 - Transportation
(a) No person may offer for transportation or transport a package which is marked with the proper shipping name or identification number of a hazardous material unless the package contains the identified hazardous material or its residue. (b) This section does not apply to— (1) Transportation of a package in a transport vehicle or freight container if the package is not visible during transportation and is loaded by the shipper and unloaded by the shipper or consignee. (2) Markings on a package which are securely covered in transportation. (3) The marking of a shipping name on a package when the name describes a material not regulated under this subchapter. [Amdt. 172–123, 55 FR 52591, Dec. 21, 1990, as amended at 56 FR 66254, Dec. 20, 1991]
Title 49: Transportation
PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, AND TRAINING REQUIREMENTS
Subpart D—Marking
§ 172.303 Prohibited marking.