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Administrative Law

Administrative Law (11th edn)

William Wade and Christopher Forsyth
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date: 22 July 2024

7. Legal Nature of Powerslocked

7. Legal Nature of Powerslocked

  • Sir William WadeSir William Wadeformerly Emeritus Rouse Ball Professor of English Law, University of Cambridge
  •  and Christopher ForsythChristopher ForsythFellow in Law, Balliol College, University of Oxford


This chapter begins with a discussion of sources of power, including statutory powers and duties, the royal prerogative, corporate and contractual powers, and non-legal and abnormal powers. It then describes the conditions imposed on powers conferred on public authorities; the power to revoke or modify the decisions or orders of an administrative authority or tribunal; situations in which the court will hold administrative decisions to be irrevocable; the principle of estoppel; waiver and consent; and the role of res judicata in administrative law.

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