(1) After making a determination that conditions in the judicial district make it desirable to concentrate jurisdiction over all or part of family and family-related matters in the circuit court, the circuit court by its own order shall exercise jurisdiction over any or all of the matters described in ORS 3.260 (2) on and after July 1 next following entry of the order.
(2) Any circuit court that enters an order pursuant to this section shall cause copies of the order to be filed with the Oregon Supreme Court and with the county or justice court whose jurisdiction is affected by the order.