{"operation":"document","citation":"PHMSA-2026-1553-0002","title":"Pipeline Safety: Timeframe to Make Rupture-Mitigation Valves Operational","source_type":"rulemaking","agency":"Pipeline and Hazardous Materials Safety Administration","status":"proposed","official":true,"published_on":"2026-04-24","effective_on":null,"summary":"Proposed Rule; Request for Comment; docket PHMSA-2026-1553.","machine_formats":{"json":"https://regulus.evalyn.ai/document/regulations-gov-document-phmsa-2026-1553-0002.json","markdown":"https://regulus.evalyn.ai/document/regulations-gov-document-phmsa-2026-1553-0002.md"},"app_url":"https://regulus.evalyn.ai/document/regulations-gov-document-phmsa-2026-1553-0002","source_url":"https://www.regulations.gov/document/PHMSA-2026-1553-0002","body":"Pipeline Safety: Timeframe to Make Rupture-Mitigation Valves Operational Proposed Rule; Request for Comment. Filed in Regulations.gov docket PHMSA-2026-1553.","truncated":false,"body_characters":157}