Ultra vires

·- Beyond power; transcending authority;

— a phrase used frequently in relation to acts or enactments by corporations in excess of their chartered or statutory rights.

ultra vires
Beyond the power of might or right to interfere. ...

The Sailor's Word-Book
vires
vīres, ĭum, f., v. vis. ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
vires
vīrēs ium, f plur.of vis. ...

An Elementary Latin Dictionary
ultra
ultrā, adv. and prep. [ulter]. I Adv. A Prop., on the other side : dextera nec citra mota nec u...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
ultra
ūltrā (1) adv.(for comp.and sup.see ūlterius, ūltimum), on the other side: Dextera nec citra mota n...

An Elementary Latin Dictionary
Ultra
·noun One who advocates extreme measures; an ultraist; an extremist; a radical. II. Ultra ·adj Goin...

Webster's Dictionary of the English Language
Ultra-
·adj A prefix from the Latin ultra beyond (see Ulterior), having in composition the signification be...

Webster's Dictionary of the English Language
ultra mare
Beyond seas a naval law term. ...

The Sailor's Word-Book
ultra-zodiacal
Beyond the limits of the zodiac; applied to those asteroids that revolve outside the ancient zodiac....

The Sailor's Word-Book
Ne plus ultra
·add. ·- A prohibition against proceeding further; an insuperable obstacle or limiting condition. I...

Webster's Dictionary of the English Language