In view of the exceptional nature of that provision, the requirement that subsequent confirmation must be given expressly was essential; the draft article should also specify that such confirmation should be made in writing to ensure that it could be proved.
鉴于该项规定的例外性质，规定其后必须明白确认的要件是必不可少的；本条款草案还应明订此项确认应以书面作出，以确保它是可以证明的。