Australian Constitution - Section 73 - Appellate jurisdiction of High Court
The High Court shall have jurisdiction, with such exceptions and subject to such regulations as the Parliament prescribes, to hear and determine appeals from all judgements, decrees, orders, and sentences-(i.) Of any Justice or Justices exercising the original jurisdiction of the High Court:
(ii.) Of any other federal court, or court exercising federal jurisdiction; or of the Supreme Court of any State, or of any other court of any State from which at the establishment of the Commonwealth an appeal lies to the Queen in Council:
(iii.) Of the Inter-State Commission, but as to questions of law only: and the judgement of the High Court in all such cases shall be final and conclusive.
But no exception or regulation prescribed by the Parliament shall prevent the High Court from hearing and determining any appeal from the Supreme Court of a State in any matter in which at the establishment of the Commonwealth an appeal lies from such Supreme Court to the Queen in Council.
Until the Parliament otherwise provides, the conditions of and restrictions on appeals to the Queen in Council from the Supreme Courts of the several States shall be applicable to appeals from them to the High Court.