Beyond one's legal power or authority; an act done by a body without the statutory authority to do it

Latin, literally 'beyond the powers' (ultra, 'beyond' + vires, 'powers, strength')

Unauthorised Beyond powers
Intra vires
"In Rajive Raturi v. Union of India, the Supreme Court held that Rule 15 of the RPwD Rules, 2017 was ultra vires to the extent it rendered accessibility standards merely recommendatory when the parent Act required them to be mandatory."

Essential legal vocabulary for GS2 answers on delegated legislation and judicial review, e.g., 'a rule that dilutes a mandatory statutory duty into a discretionary one is liable to be struck down as ultra vires the parent Act.'

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