{"operation":"document","citation":"49 CFR 179.300","title":"General specifications applicable to multi-unit tank car tanks designed to be removed from car structure for filling and emptying (Classes DOT-106A and 110AW).","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-179-300.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-179-300.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-179-300","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-179.300","body":"","truncated":false,"body_characters":0}