{"data":{"id":"us/49-cfr-236.553","jurisdiction":"us","citation":"49 CFR 236.553","heading":"Seal, where required.","body":"Seal shall be maintained on any device other than brake-pipe cut-out cock (double-heading cock), by means of which the operation of the pneumatic portion of automatic train-stop or train-control apparatus can be cut out.","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 E—Automatic Train Stop, Train Control and Cab Signal Systems"],"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":"d5c874911d75b72b6246333ece90715aa3d561b0de77f1c0459d0b6ca292be72","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.552","next":"us/49-cfr-236.554"},"notice":"GroundRules: Original legal text. Not legal advice."}