(a)
Except for size and color, the OXYGEN placard must be as follows:
Code of Federal Regulations
[Please see PDF for image:
EC02MR91.046
]
(b)
In addition to complying with § 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]