49 C.F.R. § 178.33-9 Marking.
Title 49 - Transportation
(a) By means of printing, lithographing, embossing, or stamping, each container must be marked to show: (1) DOT-2P. (2) Name or symbol of person making the mark specified in paragraph (a)(1) of this section. Symbol, if used, must be registered with the Associate Administrator. (b) [Reserved] [Amdt. 178–40, 41 FR 38181, Sept. 9, 1976, as amended by Amdt. 178–97, 56 FR 66287, Dec. 20, 1991; 66 FR 45386, Aug. 28, 2001]
Title 49: Transportation
PART 178—SPECIFICATIONS FOR PACKAGINGS
Subpart B—Specifications for Inside Containers, and Linings
§ 178.33-9 Marking.