4. A State Party shall respond expeditiously to a request from another State Party to determine whether a vessel that is claiming its registry or flying its flag is entitled to do so and to a request for authorization made in accordance with paragraph 2 of this article.
4. 缔约国应迅捷答复另一缔约国提出的关于确定某一声称在其境内注册或悬挂其国旗的船只是否有权这样做的请求，并答复根据本条第2款规定提出的授权请求。