rebus sic stantibus noun & adverbial phr. [,reɪbǝs sɪk 'stantɪbǝs] E17.
[mod. Latin, lit. 'things standing thus'.]
International Law. (According to) the principle that a treaty is subject to an implied condition that if circumstances are substantially different from those obtaining when it was concluded, then a party to the treaty is entitled to be released from it.
clausula rebus sic stantibus a clause in a document stating this principle.

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