Motto of Florida State University, Tallahassee, Florida, USA.
A matter is intra vires when it is within the legal power, scope, or authority of an institution or individual to perform an action. The opposite term is ultra vires.
A reference to a court or other agency of government, an institution, or an individual, that exceeds its legal authority.2. An antonym, or opposite, is intra vires.
There are other legal applications (or interpretations):
- An act performed without any legal authority to act on the subject. It may refer to acts beyond the scope of the powers of a corporation; such as those that are defined by its charter or laws of state of incorporation.
- The term has a broad application and includes not only acts prohibited by a charter, but acts that are in excess of powers granted and not prohibited, and generally applied either when a corporation has no power whatever to do an act or when the corporation has the power but exercises it.
- An act is ultra vires when a corporation is without authority to perform it under any circumstances or for any purpose.
- An ultra vires act of a municipality is one that is beyond the powers conferred upon it by law.