3. A declaration takes effect simultaneously with the entry into force of this Convention in respect of the State concerned. However, a declaration of which the depositary receives formal notification after such entry into force takes effect on the first day of the month following the expiration of six months after the date of its receipt by the depositary.
三、声明在本公约对有关国家开始生效时同时生效。但是，保存人于此种生效后收到正式通知的声明，应于保存人收到该项声明之日起满六个月后的下一个月第一日生效。