386. Changes of flag; ships sailing under two or more flags.

386.     Changes of flag; ships sailing under two or more flags.

A ship may sail under the flag of one state only and, save in exceptional cases expressly provided for in the United Nations Convention on the Law of the Sea1 or other international treaties, is subject to its exclusive jurisdiction on the high seas2. A ship may not change its flag during a voyage or while in a port of call, save in the case of a real transfer of ownership or change of registry3. A ship which sails under the flags of