{"data":{"id":"us/49-cfr-172.530","jurisdiction":"us","citation":"49 CFR 172.530","heading":"OXYGEN placard.","body":"(a) Except for size and color, the OXYGEN placard must be as follows:\n(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.","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":"282cbb800517a2542b81aa83286d055f33584c04316358da2b4d31c62a9c757e","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-172.528","next":"us/49-cfr-172.532"},"notice":"GroundRules: Original legal text. Not legal advice."}