StacksVerified U.S. regulatory reference

49 CFR §172.550

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Except for size and color, the OXIDIZER placard must be as follows:
  2. (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.