Critically Discuss the Concept of ‘Apparent’ or ‘Ostensible’ Authority and How It Interacts with Other Types of Authority in the Law of Agency.

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Apparent authority (or ostensible authority) is the authority that arises when the principal makes a representation to a third party that his agent has authority and, having made this representation, is estopped from denying it. The 3 requirements for apparent authority to exist are: 1. P must have represented to T that A had authority 2. The representation must have been made by P, or by someone to whom P had given authority to make it (possibly sub agent) 3. T must have relied on the representation While the quote by Diplock states the necessity of distinguishing between actual and apparent authority, an agent can commonly have both, as seen from Hely-Hutchinson v Brayhead. Where the board of directors appoint an agent to be managing director, he thereby has the implied actual authority to make whatever contracts a managing director of such a company would usually make. However, Lord Denning also went on to mention that the board of directors would also have given the MD apparent authority to make the kind of contracts which the managing authority would usually make. There is an inherent tension in the law of apparent authority. The agent has disregarded his express mandate and the law has to choose between limiting the principal’s liability or according protection to the bona fide 3rd party. This could possibly lead to injustice -> British Bank of the Middle East v Sun Life Insurance Co of Canada Ltd [1983] -> insurance case where 3rd party dealt with insurance agent who had no authority to give guarantees on behalf of co but still did so. When 3rd party sent inquiry to ‘General Manager’, someone who signed himself off as ‘Branch mgr’ replied and said IA had authority. While 3rd P was slightly imprudent in acting/accepting letter from person whom it had been addressed to, it is reasonable to say that the 3rd party might have had no knowledge of hierarchy
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