Regulations last checked for updates: Dec 19, 2025

Title 49 - Transportation last revised: Nov 03, 2025
§ 172.550 - OXIDIZER placard.

(a) Except for size and color, the OXIDIZER placard must be as follows:

(b) In addition to complying with § 172.519, the background color on the OXIDIZER placard must be yellow. The symbol, text, division number and inner border must be black.

[Amdt. 172-123, 56 FR 66263, Dec. 20, 1991]
authority: 49 U.S.C. 5101-5128,44701; 49 CFR 1.81, 1.96 and 1.97
source: Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, unless otherwise noted.
cite as: 49 CFR 172.550