Good Faith and Insurance Contracts
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CHAPTER 4
The source of the duty of utmost good faith
The source of the duty of utmost good faith
4.01 There have been a number of attempts to delve into the mists of time and the well of authorities to divine the nature of the obligation to exercise good faith in the relations of insurer and assured. These attempts have been prompted by a search for the trove of remedies available for bad faith, the fierce debate about the duration of the duty, an explanation of the effect of an assignment of a policy upon the duty and a determination of the extent to which the duty can be trimmed or enlarged by express agreement between the parties. While the practical effects of the characterisation of good faith in insurance contracts have fallen for consideration before the courts, there have been many occasions when the courts have taken the opportunity, whilst examining the duty, to explain the basis of the duty.The law merchant, the common law and insurance – an accelerated history
4.02 In Hodgson v Richardson,1 Yates J considered the vitiation of contracts by a failure to comply with the duty of disclosure to be based upon principles of “natural law”. In Pawson v Watson,2 Lord Mansfield held that all dealings, at least in the world of insurance, had to be fair and honest in accordance with the “law of merchants”. It was not until the late 19th century that the courts began to classify the duty as falling within the common law.3 4.03 Putting aside the incidence of natural law (although it should be noted that mercantile custom was treated as “the laws of nature”),4 the transformation of the duty of good faith from the law of merchants5 into the common law is consistent with the historical development of the commercial law.6 In the Middle Ages, the law merchant was applied by various courts in England to both domestic and foreign transactions7 in recognition of the practices and customs of international trade. The law merchant was a part of internationalPage 96
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it cometh to pass upon the loss or perishing of any ship, there followeth not the undoing of any man, but the loss lighteth rather easily upon many than heavily upon few, and rather upon them that adventure not than those that do adventure, whereby all merchants, especially of the younger sort, are allured to venture more willingly and more freely.38