(a) Except for size and color, the OXYGEN placard must be as follows:[GRAPHIC] [TIFF OMITTED] TC02MR91.046
(b) In addition to complying with Sec. 172.519 of this subpart, the background color on the OXYGEN placard must be yellow. The symbol, text, class number and inner border must be black. [Amdt. 172-123, 56 FR 66262, Dec. 20, 1991]