单词defeasance
n.: 废除;使契约作废的条款
网络: 废止;解除;使无效
毁约条款
使契约作废的条款
(契约的)作废,废止,废除
复数:defeasances
The court held that Congress had intended vested rights under the lease to be invulnerable to defeasance by subsequently issued regulations.
法院认为,国会在立法时的意图是,租约赋予的权利不能因其后颁布的条例而作废。