{"data":{"id":"us/33-cfr-151.21","jurisdiction":"us","citation":"33 CFR 151.21","heading":"Ships of countries not party to MARPOL 73/78.","body":"(a) Each oil tanker of 150 gross tons and above and each other ship of 400 gross tons and above, operated under the authority of a country not a party to MARPOL 73/78, must have on board valid documentation showing that the ship has been surveyed in accordance with and complies with the requirements of MARPOL 73/78. Evidence of compliance may be issued by either the government of a country that is party to MARPOL 73/78 or a recognized classification society.\n(b) Evidence of compliance must contain all of the information in, and have substantially the same format as, the IOPP Certificate.","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":"c35b7bcaa2ed37ae6194f34e535a3e03a5c4a03a90a97ae5fce6e318c12c2b43","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-151.19","next":"us/33-cfr-151.23"},"notice":"GroundRules: Original legal text. Not legal advice."}