2. For each State or regional integration organization ratifying, formally confirming or acceding to the present Convention after the deposit of the twentieth such instrument, the Convention shall enter into force on the thirtieth day after the deposit of its own such instrument.
二. 对于在第二十份批准书或加入书交存后批准、正式确认或加入的国家或区域一体化组织，本公约应当在该国或组织交存各自的批准书、正式确认书或加入书后的第三十天生效。