2. For each State or regional economic integration organization ratifying, accepting, approving or acceding to this Convention after the deposit of the fortieth instrument of such action, this Convention shall enter into force on the thirtieth day after the date of deposit by such State or organization of the relevant instrument.
2. 对于在第四十份批准书、接受书、核准书或加入书交存后批准、接受、核准或加入公约的国家或区域经济一体化组织，本公约应自该国或组织交存有关文书之日后第三十天起生效。