{"data":{"id":"us/49-cfr-176.31","jurisdiction":"us","citation":"49 CFR 176.31","heading":"Special permits.","body":"If a hazardous material is being transported by vessel under the authority of an exemption or special permit and a copy of the exemption or special permit is required to be on board the vessel, it must be kept with the dangerous cargo manifest.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 176—CARRIAGE BY VESSEL","Subpart B—General Operating Requirements"],"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":"f3f1968071ff7c6aaedf097be300415a2b1f1454acf84671c26237102ef60986","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-176.30","next":"us/49-cfr-176.36"},"notice":"GroundRules: Original legal text. Not legal advice."}