{"operation":"document","citation":"49 CFR 172.438","title":"RADIOACTIVE YELLOW-II label.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) Except for size and color, the RADIOACTIVE YELLOW-II must be as follows:\n\n(b) In addition to complying with § 172.407, the background color on the RADIOACTIVE YELLOW-II label must be yellow in the top half and white in the lower half. The printing and symbol must be black, except for the “II” wh","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-172-438.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-172-438.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-172-438","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-172.438","body":"(a) Except for size and color, the RADIOACTIVE YELLOW-II must be as follows:\n\n(b) In addition to complying with § 172.407, the background color on the RADIOACTIVE YELLOW-II label must be yellow in the top half and white in the lower half. The printing and symbol must be black, except for the “II” which must be red.\n\n[Amdt. 172-123, 56 FR 66259, Dec. 20, 1991]","truncated":false,"body_characters":361}