2. For each State ratifying or acceding to this Convention after the deposit of the twentieth instrument of ratification or accession, this Convention shall enter into force on the thirtieth day after the date of the deposit of that State's instrument of ratification or accession.
二、 在第二十件批准书或加入书交存之后批准或加入本公约的每个国家，本公约将于该国交存批准书或加入书之日起第三十天生效。