“ultra vires”

This page shows official legal definitions of “ultra vires” from courts and ministries of justice in multiple countries. Definitions are listed in order of reading level to help with both basic understanding and deeper context.

Jurisdiction: New Zealand New Zealand

Where a person or body has acted outside the legal limits of their powers.

Source: Glossary of Legal Terms (New Zealand Ministry of Justice)
Jurisdiction: Australia Australia

Beyond the power. An act which is in excess of the authority conferred by law, and therefore invalid.

Source: Law Handbook Glossary (Legal Services Commission of South Australia)