{"data":{"id":"us/49-cfr-172.550","jurisdiction":"us","citation":"49 CFR 172.550","heading":"OXIDIZER placard.","body":"(a) Except for size and color, the OXIDIZER placard must be as follows:\n(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.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, TRAINING REQUIREMENTS, AND SECURITY PLANS","Subpart F—Placarding"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"02a6e9d083b3310d9e4f7e4761eebc13ebf30bbb52e33adae82d50f1e5b9f0fc","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-172.548","next":"us/49-cfr-172.552"},"notice":"GroundRules: Original legal text. Not legal advice."}