3

Question 1

discretionary decisions and reasons

Answer 1

judicial control of discretion involves looking at the decision
if no reasons are given, courts may infer there were no good reasons (padfield)

Question 2

two meanings of unreasonableness

Answer 2

Lord Greene:
1. general category covering different grounds, including an account of irrelevant considerations or acting for an improper purpose
2. as a specific ground of JR once established that decision was legal

Question 3

irrationality

Answer 3

a decision so outrageous “no sensible person” would have arrived at it
GCHQ Lord Diplock