1. Declarations under article 17, paragraph 4, article 19, paragraphs 1 and 2, and article 20, paragraphs 2, 3 and 4, may be made at any time. Declarations made at the time of signature are subject to confirmation upon ratification, acceptance or approval.
一、任何时候均可根据第十七条第四款、第十九条第一和第二款以及第二十条第二、第三和第四款作出声明。在签署时作出的声明须在批准、接受或认可时加以确认。