{"data":{"id":"us/33-cfr-151.33","jurisdiction":"us","citation":"33 CFR 151.33","heading":"Certificates needed to carry Category C Oil-like NLS.","body":"(a) A U.S. oceangoing ship may not carry a Category C oil-like NLS listed in § 151.49 in a cargo tank unless the ship has a Certificate of Inspection endorsed to allow the NLS to be carried in that cargo tank, and if the ship engages in a foreign voyage—\n(1) An Attachment for NLSs to the IOPP Certificate, issued under § 151.37(a), that allows the NLS to be carried in that cargo tank; or\n(2) A Certificate of Fitness issued under 46 CFR part 153 that allows the NLS to be carried in that cargo tank.\n(b) A foreign oceangoing ship operating in the navigable waters of the U.S. may not carry a Category C oil-like NLS listed in § 151.49 in a cargo tank unless the ship has—\n(1) An Attachment for NLSs to the IOPP Certificate that allows the NLS to be carried in that cargo tank; or\n(2) A Certificate of Compliance issued under 46 CFR part 153 to allow the NLS to be carried in that cargo tank.\n(c) A U.S. oceangoing ship authorized to carry certain dangerous cargoes in bulk under 46 CFR part 98 may not carry a Category C oil-like NLS listed in § 151.49 in a cargo tank unless the ship has a Certificate of Inspection endorsed to allow the NLS to be carried in that cargo tank, and if the ship engages in a foreign voyage, an NLS Certificate issued under § 151.37(b) that allows the NLS to be carried in that cargo tank.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—POLLUTION","PART 151—VESSELS CARRYING OIL, NOXIOUS LIQUID SUBSTANCES, GARBAGE, MUNICIPAL OR COMMERCIAL WASTE, AND BALLAST WATER","Subpart A—Implementation of MARPOL 73/78 and the Protocol on Environmental Protection to the Antarctic Treaty as it Pertains to Pollution from Ships"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"2b6a9f37f471e8fba8b1a7a73a6b47b75ff93e1384763905edfc7f1cccd48878","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-151.32","next":"us/33-cfr-151.35"},"notice":"GroundRules: Original legal text. Not legal advice."}