Intra Vires
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
An act is said to be intra vires ("within the power") of a person or corporation when it is within the scope of his or its powers or authority. It is the opposite of ultra vires, (q. v.) Pittsburgh, etc., R. Co. v. Dodd, 115 Ky. 176, 72 S. W. 827.