def METHOD_NAME():
    """Check if any outstanding BuildOrders have just become overdue
    - This check is performed daily
    - Look at the 'target_date' of any outstanding BuildOrder objects
    - If the 'target_date' expired *yesterday* then the order is just out of date
    """
    yesterday = datetime.now().date() - timedelta(days=1)
    overdue_orders = build.models.Build.objects.filter(
        target_date=yesterday,
        status__in=BuildStatusGroups.ACTIVE_CODES
    )
    for bo in overdue_orders:
        notify_overdue_build_order(bo)