- The conclusion of an agreement, under a specific provision of a treaty, by which two or more States or international organizations purport to exclude or modify the legal effects of certain provisions of the treaty as between themselves.
- 根据一条约的明确规定缔结协定，使两个或两个以上国家或国际组织可根据协定免除或更改该条约中的若干条款在它们之间的法律效力。