ultra           vires     compromissi      (<<schwa>>l-tr<<schwa>> vI-reez [alsoveer-eez] kom-pr<<schwa>>-mis-I). [Law Latin] Hist. Beyond the force of the submission to arbitration; beyond the authority of the submission. • An arbitration award, for example, could be reduced if the award was greater than the submission warranted.
[Blacks Law 8th]