/lɔ ʌv ðə flæɡ/ – Phrase
Definition: luật treo cờ, luật của nước được treo cờ.
A more throughout explanation: The legal concept of “law of the flag” refers to the principle that a vessel on the high seas is subject to the laws of the country whose flag it flies. This means that a ship registered in a particular country is considered to be part of that country’s territory and is subject to its laws and regulations while operating in international waters.
Example: The law of the flag dictates that a ship flying the flag of a particular country is subject to the laws and regulations of that country while in international waters.