Flag of convenience
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English: A ship is said to be flying a flag of convenience if it is registered in a foreign country "for purposes of reducing operating costs or avoiding government regulations." The term comes from the flag that ships fly to show their country of registration. Under conventions of en:international law. The country of registration determines the source of law to be applied in admiralty cases, regardless of which court has personal jurisdiction over the parties.
FOC ships 
Map of countries listed by the International Transport Workers' Federation
- Flag of convenience. The American Heritage® Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company (2004). Retrieved on 2007-05-04.