High Court: The King v Bechaud Jury Separation Oath Valid

• The High Court of Australia overturned a Victorian Court of Appeal decision, reinstating a rape conviction.
• The Court ruled that the jury separation oath, once taken at the trial's start, remains binding throughout deliberations.
• Section 50 of Victoria's Juries Act 2000 requires the oath before separation but does not specify when it must be administered.
• The High Court found no irregularity or substantial miscarriage of justice, despite the trial judge not re-administering the oath before jury separations.
• This decision clarifies the validity of the jury separation oath and limits a potential ground for Australian criminal appeals.

The High Court emphasized that the jury separation oath retains its binding force throughout the entire trial, its effectiveness not diminished simply by the passage of time since its initial administration.

The High Court of Australia has issued a unanimous decision in The King v Bechaud [2026] HCA 36, overturning a previous ruling by the Victorian Court of Appeal. This significant judgment clarifies the requirements surrounding the jury separation oath under Victoria's Juries Act 2000. The High Court determined that jurors are not mandated to retake or be reminded of their separation oath immediately before they are permitted to separate during deliberations, provided the oath was administered at the trial's outset.

This ruling effectively reinstated a conviction that the Victorian Court of Appeal had set aside, which had ordered a new trial based on its interpretation of the oath's timing. The High Court's decision provides crucial guidance on the validity of the jury separation oath, affirming that its binding nature persists throughout the trial process once initially taken.

The case originated from a criminal trial involving two charges of rape, which occurred in July and August 2024. During the initial day of proceedings, each juror took a separation oath, committing not to discuss trial-related matters or deliberations with any individuals outside the jury. Nine days later, the jury retired to consider its verdict.

Subsequently, the trial judge allowed the jurors to separate on two distinct occasions without issuing a fresh reminder of their oath or their ongoing obligations under it. The jury ultimately delivered a split verdict, acquitting the accused of one charge while convicting him of the other. The Victorian Court of Appeal later intervened, overturning the conviction and mandating a new trial. The majority of the appellate court concluded that the trial judge should have administered the separation oath at a point closely connected to the jury's separation during deliberations, deeming the timing a "fatal and fundamental irregularity" that led to a substantial miscarriage of justice.

The High Court, however, rejected the Victorian Court of Appeal's interpretation, asserting that section 50 of the Victorian Juries Act 2000 does not specify a particular stage for the separation oath to be taken. While the legislation establishes that taking the separation oath is a necessary precondition for allowing jurors to separate after they have retired to consider their verdict, it does not impose a requirement for the oath to be administered immediately prior to each separation.

The High Court highlighted that other sections within the Juries Act explicitly dictate the timing of certain procedural steps, a specificity absent from section 50. Furthermore, the court emphasized that the jury separation oath retains its binding force throughout the entire trial, its effectiveness not diminished simply by the passage of time since its initial administration.

While the High Court affirmed the enduring validity of the initial oath, it acknowledged the appropriateness of reminding jurors of their continuing obligations whenever they separate. The court noted that, depending on the specific circumstances, a failure to provide such reminders could potentially constitute an error or irregularity in some cases. However, in The King v Bechaud, the High Court found no such error had occurred.

The court specifically dismissed the argument that the time elapsed between the initial administration of the oath and the subsequent permission for separation rendered the trial judge's decision unreasonable. Ultimately, the High Court concluded that there was no irregularity or substantial miscarriage of justice in the original trial. Consequently, it allowed the Crown's appeal, vacated the orders made by the Court of Appeal, and dismissed the accused's appeal against his conviction, thereby upholding the original conviction. This ruling significantly impacts the landscape of Australian criminal appeals concerning jury procedure.

Criminal lawyers in Victoria should note that the High Court has clarified that the jury separation oath, once taken at the start of a trial, remains binding throughout deliberations, and judges are not required to re-administer it immediately before each separation. This decision limits a potential ground for appeal based on the timing of the oath, though reminding jurors of their ongoing obligations remains good practice.

Source: Reporting based on High Court of Australia's judgment.