A. the exercise of supervisory functions by the judiciary
B. a situation where a public authority dutifully performs its functions
C. a situation where a public authority acts beyond the scope of its duties
D. the act of exercising administrative competence over a matter
Correct Answer: Option C
C. a situation where a public authority acts beyond the scope of its duties
Explanation
A public authority is said to have ultra vires when it has acted beyond the boundaries of its duties as provided for in its enabling law or as prescribed by the Executive.
