The High Court has dismissed an appeal on a constitutional matter on the operation of s 79 of the Judiciary Act 1903 (Cth). The appellant was a New South Wales resident who was convicted of state drug offences against s 6(1)(a) of the Misuse of Drugs Act 1981 (WA) in the Western Australia District Court by a majority jury verdict. As the trial was a ‘federal diversity’ matter (that is, between a state and the resident of another state), the WADC tried the appellant in exercise of its federal jurisdiction. The WASCA dismissed his arguments that this majority verdict was inconsistent with the requirement in s 80 of the Constitution that juries must return unanimous verdicts for convictions, and held that Western Australia’s state law on majority verdicts, and not s 80, applied to the case as a federal diversity matter, due to the operation of s 79. Before the High Court the appellant sought to contend that the WASCA erred in its application of the High Court’s decision in Momcilovic v The Queen [2011] HCA 34, and that it erred in its approach to the interaction between the State law and s 79.
The High Court unanimously dismissed the appeal.
The plurality (Bell, Gageler, Keane, Nettle and Gordon JJ) held that s 6(1)(a) applied at the time of the appellant’s offences and continued to govern the assessment of his criminal liability, even though the WADC exercised federal jurisdiction to resolve the controversy between the appellant and WA about the Continue reading