{"data":{"id":"us/46-cfr-109.555","jurisdiction":"us","citation":"46 CFR 109.555","heading":"Propulsion boilers.","body":"The master or person in charge and the engineer in charge shall ensure that—\n(a) Steam pressure does not exceed that allowed by the certificate of inspection; and\n(b) The safety valves, once set, are not tampered with or made inoperative.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER I-A—MOBILE OFFSHORE DRILLING UNITS","PART 109—OPERATIONS","Subpart G—Miscellaneous"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"22d122da6eb9f5e529d72c3058f165a56894d58ab91e88f66f3ad30a4cb5564f","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-109.527","next":"us/46-cfr-109.557"},"notice":"GroundRules: Original legal text. Not legal advice."}