{"data":{"id":"us/46-cfr-153.966","jurisdiction":"us","citation":"46 CFR 153.966","heading":"Discharge by liquid displacement.","body":"The person in charge of cargo transfer may not authorize cargo discharge by liquid displacement unless the liquid supply line to the tank has:\n(a) A safety relief or pressure reducing valve set to operate at no more than 80 percent of the tank's relief valve setting; and\n(b) A manual control valve between the tank and the supply line's safety relief valve or pressure reducing valve.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS","Subpart C—Operations"],"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":"fc563412b70552a8d4fc385ac5e257545e52230d0985d3cc5ede2730807893c6","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.964","next":"us/46-cfr-153.968"},"notice":"GroundRules: Original legal text. Not legal advice."}