Minn. Stat. § 480.18

At least once each year the chief justice shall call a conference of the judges of the courts of record of this state for the consideration of matters relating to judicial business, the improvement of the judicial system, and the administration of justice. Each judge attending the annual judicial conference shall be entitled to be reimbursed for necessary expenses to be paid from state appropriations made for the purposes of sections 480.13 to 480.20 .