No conflict rule The self-dealing rule states 'trustees should not allow their personal interests to come into actual or apparent conflict with the interests of the beneficiaries'. It is also connected to the obligation of a trustee not to make a profit for themselves by exploiting their appointment as a trustee, which by the fiduciary nature of the appointment, demands the highest standard of honesty and good faith to protect the interests of beneficiaries, see Practice Note: Trustees—self-dealing, unauthorised profits and conflicts of interest. Duty to act impartially A trustee must act fairly and disinterestedly when executing a trust and the exercise of his powers must not confer an advantage to one beneficiary (or classes of beneficiaries) over another. If there is an absence of an express or statutory power of appropriation, the trustee should not appropriate a share of income of the trust property to beneficiaries without first seeking the guidance of