{"data":{"id":"us/49-cfr-236.383","jurisdiction":"us","citation":"49 CFR 236.383","heading":"Valve locks, valves, and valve magnets.","body":"Valve locks on valves of the non-cut-off type shall be tested at least once every three months, and valves and valve magnets shall be tested at least once every year.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES","Subpart C—Interlocking"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"294d7d91fffc0cded6b11de4325b4cc0aa5fc900eca5227ea4a8f071060036df","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.382","next":"us/49-cfr-236.384"},"notice":"GroundRules: Original legal text. Not legal advice."}