ON 10 NOVEMBER 1947, the England and Wales Court of Appeal delivered Associated Provincial Picture Houses Ltd v Wednesbury Corporation [1947] EWCA Civ 1 (10 November 1947).
http://www.bailii.org/ew/cases/EWCA/Civ/1947/1.html
A court will interfere with an administrative decision if (1) the decision maker took irrelevant matters into consideration (2) the decision maker failed to take into consideration matters which it ought to have considered and (3) the decision was so unreasonable that no reasonable decision maker would have made it.
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