[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR172.304] [Page 354-355] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS Subpart B_Table of Hazardous Materials and Special Provisions Sec. 172.304 Marking requirements. (a) The marking required in this subpart-- [[Page 355]] (1) Must be durable, in English and printed on or affixed to the surface of a package or on a label, tag, or sign. (2) Must be displayed on a background of sharply contrasting color; (3) Must be unobscured by labels or attachments; and (4) Must be located away from any other marking (such as advertising) that could substantially reduce its effectiveness. (b) [Reserved] [Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, as amended by Amdt. 172-29B, 41 FR 57067, Dec. 30, 1976]