Port state control regulated by the country, in which the port is located, on the basis of relevant international treaty is a system to supervise and control vessel of Alien nationality.

港口国监控是港口所在国家根据有关国际公约规定的标准，对进入其港口的外国籍船舶所实施的一种监督与控制制度。

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However, the exception to the saving clause of a particular tax treaty might allow a resident alien to claim a tax treaty benefit on certain specified income.

也有例外作为税务法的特殊储蓄目的居民仍可被允许申报某种收入。

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