Nothing in this Act limits—
(a) in the case of the Supreme Court, the Court's inherent jurisdiction, implied jurisdiction or statutory jurisdiction; or
(b) in the case of a court other than the Supreme Court, the court's implied jurisdiction or statutory jurisdiction; or
(c) in the case of a tribunal, the tribunal's statutory jurisdiction; or
(d) any other powers of a court or tribunal arising or derived from the common law or under any other Act (including any Commonwealth Act), rule of court, practice note or practice direction.