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Ultra Vires

UL-truh VY-reez

Categories: Constitutional, Latin Maxims, Commercial Law

Definition (1910 Edition)

Origin: Latin

Beyond the powers. An act performed without legal authority, exceeding the powers granted by law or by a company's memorandum of association.

Authorities Cited

10 Co. Rep. 76b; 1 Tidd, Pr. 497.

UK Law Commentary

Status: ⚠️ Significantly reformed. For companies: Companies Act 2006 s.39 — the validity of an act done by a company shall not be questioned on the ground of lack of capacity. Remains vital in administrative law for public bodies.

Modern Application

📜 Companies Act 2006 s.39 • Constitutional Reform and Governance Act 2010 • legislation.gov.uk

Cross References

Intra Vires Powers Authority Company Law

Source: Black's Law Dictionary, 2nd Edition (1910) — Public Domain. UK commentary and modern updates are original additions. This entry is for educational reference only and does not constitute legal advice.