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ultra vires
1. In the phrase ultra vires 
/ˈvaɪəriːz/, beyond the powers or legal authority (of a person, etc.; also used with ellipse of for).
/ˈvaɪəriːz/, beyond the powers or legal authority (of a person, etc.; also used with ellipse of for).ΘΚΠ
society > morality > dueness or propriety > moral impropriety > improperly [phrase] > by allowance, not by right > outside one's customary rights > beyond one's powers or authority
ultra vires1793
1793 Earl of Dundonald Descr. Estate Culross 59 This has proved, and must always prove, ultra vires of any one individual.
1806 G. Hutcheson Treat. Justice of Peace, etc. II. 564 (note) This judgment has been appealed from, as ultra vires, as far as regards the directions for building the cruive dike.
1884 Law Times 78 116/1 It was not ultra vires the directors to advance money on such security.
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as lemmas