The Vienna Supplementary Convention of 1997 provides under article III for an additional sum of compensation to be made available from the public funds of all the other Contracting Parties in accordance with a formula specified by article IV of the Convention.
1997年《维也纳补充公约》第三条规定，应采用该公约第四条确立的一个公式，用所有其他缔约方的公共资金提供额外赔偿。