A court can quash a decision made under delegated legislation if the secondary legislation exceeds the powers granted by the parent Act. This is an example of which ground of judicial review?

Answer and explanation

Correct answer: A. Illegality

  1. Step 1: Delegated legislation must be within the enabling Act's powers.
  2. Step 2: If not, it is ultra vires and can be struck down.
Answer
Illegality.
Why not the others: The ground is illegality rather than reasonableness, fairness or promise.

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