{"operation":"document","citation":"49 CFR 179.400-1","title":"-1 General.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"A tank built to this specification must comply with §§ 179.400 and 179.401.","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-179-400-1.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-179-400-1.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-179-400-1","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-179.400-1","body":"A tank built to this specification must comply with §§ 179.400 and 179.401.","truncated":false,"body_characters":75}