The 'double might' test from Ebner v Official Trustee in Bankruptcy must be applied precisely: the question is whether a fair-minded lay observer might reasonably apprehend that the decision-maker might not bring an impartial mind to the resolution of the question. Substituting a test of whether the decision-maker 'would be incapable' of impartiality imposes a more stringent standard and constitutes an error of law. Where a tribunal member has expressed extensive views on the merits of claims in interlocutory rulings that are subsequently overturned on appeal, reconstitution of the tribunal is the proper course to ensure justice is seen to be done.
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