Article 11 When a foreign aircraft or vessel arrives at a Chinese port, the person in charge shall fulfill the following obligations.

第十一条外国航空器或者船舶抵达中国口岸时，其负责人负有下列责任。

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The foreign ministry says that the national sea rescue service in Denmark received an SOS from the boat on 24 February and immediately began investigating what had happened to the vessel.

外交部表示，2月24日，丹麦国家海上搜救服务部门收到SOS求救信号后，立即对这艘帆船上发生的事情展开调查。

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The foresaid foreign company in case of a time charter by a foreign company of a Chinese vessel; and.

外国公司期租的中国籍船舶，以外国公司为纳税人；

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But as the layers of official fabrication were peeled away to reveal the bitter truth, the Russian Navy dreamt up another theory to cover its embarrassment: the Kursk had been struck by a foreign vessel.

BBC: Analysis: Kursk cover-up

When a shipping company--foreign or domestic--needs to change a route, a vessel or a port of call, it has to ask the harbour association six weeks in advance.

ECONOMIST: Shipping in Japan