intra vires

American  

[in-truh vahy-reez] / ˈɪn trə ˈvaɪ riz /

adverb

Law.

1. within the legal power or authority of an individual or corporation (opposed to ultra vires).

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Etymology

Origin of intra vires

First recorded in 1875–80, intra vires is from Latin intrā vīrēs “within the powers”