Tasmanian Health Service v Public Trustee as

The Supreme Court of Tasmania, constituted by Brett J, Geason J, and Martin AJ, considered an appeal from a decision of the Guardianship and Administration Board. The appeal concerned the determination made by the Board regarding the affairs of an incapacitated person.

The central legal issues before the Court were whether the primary judge had correctly applied the legal test for reviewing the Board's decision, and more fundamentally, whether the Board's determination itself was reasonably open to it on the evidence presented. This involved an examination of the standard of review applicable to administrative tribunal decisions and the scope of judicial oversight.

The Court analysed the principles governing appeals on questions of law from administrative tribunals. It affirmed that a court's role on such an appeal is to determine if the tribunal's decision was reasonably open on the evidence, meaning that no reasonable tribunal, acting correctly, could have reached the same conclusion. The Court found that the primary judge had correctly identified the relevant legal test. However, the Court then proceeded to re-examine whether the Board's decision was, in fact, reasonably open on the evidence, applying the established legal principles to the facts as found by the Board. The Court concluded that the Board's determination was indeed reasonably open on the evidence before it.