The supreme court of this state may provide by rule or special order for the holding in this state of an annual conference of the judges of the courts of record of this state, judges of the courts of limited jurisdiction, and invited members of the bar, for the consideration of matters relating to judicial business, the improvement of the judicial system and the administration of justice. Each judge attending such annual judicial conference shall be entitled to be reimbursed for travel expenses in accordance with RCW
43.03.050 and
43.03.060 as now existing or hereafter amended, to be paid from state appropriations made for the purposes of this chapter.