Lloyd's Maritime and Commercial Law Quarterly
Natural obligations in English law
Duncan Sheehan *
In the late 18th century English law recognized a concept of natural obligation, or obligations binding only in honour. These had the effect of barring recovery of money paid by mistake, almost invariably mistake of law, and also often could act as consideration for a contract. During the 19th century two trends emerged. First, recovery of money paid by mistake of law was barred, removing one major effect of natural obligations. Secondly, a trend emerged restricting the effect of moral consideration. Few modern lawyers therefore know what natural obligations are. However, after the abolition of the mistake of law bar in
Kleinwort Benson v.
Lincoln City Council the importance of natural obligations has increased, as a means of barring recovery of money paid by mistake. The remnants of moral consideration can be fitted into the revival of the concept, and it is tentatively suggested that there are three types of natural obligation
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