As a matter of Jersey law, the doctrine of mistake operates to permit a settlor who settles property on trust to apply to Court to set aside or unwind transactions, where (i) there was a mistake on the part of the settlor and (ii) the settlor would not have entered into the transaction "but for" such mistake and (iii) the mistake was of so serious a character as to render it unjust on the part of the donee to retain (as confirmed In The matter of the Lochmore Trust [2010] JRC 068). The doctrine also applies in respect of transfers, dispositions and appointments by a trustee.
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