Oakey Coal Action Alliance Inc v New Acland Coal Pty Ltd

The High Court of Australia considered an appeal by the Oakey Coal Action Alliance Inc against New Acland Coal Pty Ltd. The dispute concerned applications for additional mining leases and an amendment to an existing environmental authority. Initially, the Land Court of Queensland recommended the rejection of these applications. However, the Supreme Court of Queensland, while finding no apprehended bias, identified errors of law and remitted certain matters for reconsideration. A subsequent decision by a different Land Court Member recommended approval of the applications, leading to the granting of the environmental authority amendment. The Court of Appeal then allowed a cross-appeal by New Acland Coal, finding that the Land Court's initial recommendations were affected by apprehended bias.

The central legal issues before the High Court were whether the Court of Appeal, having found apprehended bias in the Land Court's first decision, was obliged to refer the relevant matters back to the Land Court for full reconsideration, or if it could limit consequential orders to a declaration of procedural unfairness. Additionally, the Court had to consider whether there was a discretion to refuse to refer the matters back to the Land Court on broader grounds. The Court also examined the legal effect of a superior court's order on subsequent administrative decisions, even if that order is later found to be erroneous.

The High Court allowed the appeal, setting aside the orders of the Court of Appeal. It reasoned that the initial decision of the Land Court, found to be affected by apprehended bias, could not stand as a valid basis for subsequent administrative actions. The Court clarified that an order of a superior court, even if flawed, can provide interim authority for administrative action it directs until set aside. However, in this instance, the Court determined that the matters to which the biased recommendations related should be referred back to the Land Court for reconsideration according to law. The Court also set aside the administrative decision made under the Environmental Protection Act 1994 (Qld) that was predicated on the flawed Land Court decision.