Section 178.33a-9 - Marking(a) By means of printing, lithographing, embossing, or stamping, each container must be marked to show: (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.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