Home › CFR › Title 46 › Part 151 › §151.03-3946 CFR §151.03-39 — -39 Ocean.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkA designation for all vessels normally navigating the waters of any ocean or the Gulf of America more than 20 nautical miles offshore.