{"operation":"document","citation":"49 CFR 172.512","title":"Freight containers and aircraft unit load devices.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) Capacity of 640 cubic feet or more. Each person who offers for transportation, and each person who loads and transports, a hazardous material in a freight container or aircraft unit load device having a capacity of 640 cubic feet or more shall affix to the freight container or aircraft unit load","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-172-512.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-172-512.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-172-512","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-172.512","body":"(a) Capacity of 640 cubic feet or more. Each person who offers for transportation, and each person who loads and transports, a hazardous material in a freight container or aircraft unit load device having a capacity of 640 cubic feet or more shall affix to the freight container or aircraft unit load device the placards specified for the material in accordance with § 172.504. However:\n\n(1) The placarding exception provided in § 172.504(c) applies to motor vehicles transporting freight containers and aircraft unit load devices,\n\n(2) The placarding exception provided in § 172.504(c) applies to each freight container and aircraft unit load device being transported for delivery to a consignee immediately following an air or water shipment, and,\n\n(3) Placarding is not required on a freight container or aircraft unit load device if it is only transported by air and is identified as containing a hazardous material in the manner provided in part 7, chapter 2, section 2.8, of the ICAO Technical Instructions (IBR, see § 171.7 of this subchapter).\n\n(b) Capacity less than 18 m 3 (640 cubic feet). (1) Each person who offers for transportation by air, and each person who loads and transports by air, a hazardous material in a freight container or aircraft unit load device having a capacity of less than 18 m 3 (640 cubic feet) shall affix one placard of the type specified by paragraph (a) of this section unless the freight container or aircraft unit load device:\n\n(i) Is labeled in accordance with subpart E of this part, including § 172.406(e);\n\n(ii) Contains radioactive materials requiring the Radioactive Yellow III label and is placarded with one Radioactive placard and is labeled in accordance with subpart E of this part, including § 172.406(e); or,\n\n(iii) Is identified as containing a hazardous material in the manner provided in part 7; chapter 2, section 2.8, of the ICAO Technical Instructions (IBR, see § 171.7 of this subchapter).\n\n(2) When hazardous materials are offered for transportation, not involving air transportation, in a freight container having a capacity of less than 640 cubic feet the freight container need not be placarded. However, if not placarded, it must be labeled in accordance with subpart E of this part.\n\n(c) Notwithstanding paragraphs (a) and (b) of this section, packages containing hazardous materials offered for transportation by air in freight containers are subject to the inspection requirements of § 175.30 of this chapter.\n\n[Amdt. 172-29, 41 FR 15996, Apr. 15, 1976]\n\nEditorial Note:For Federal Register citations affecting § 172.513, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.","truncated":false,"body_characters":2719}