ultra vires
adjective
LAWukusbeyond thelegalpowerorauthorityof thepersonperforminganaction:
The company'sactionsinenteringinto acontractwith him were ultra vires, andthereforethecontractwasvoid.
Ashareholdercouldrestrainthecompanyfromundertakingultra viresactivities.
ultra vires
adverb
Thebankactedultra vires inguaranteeingloanstocompaniesworkingonitsbehalf.