(1) Each magistrate judge in a judicial district who is assigned juvenile delinquency matters shall receive instruction in a course designed for training of judges of juvenile courts.
(2) Each magistrate judge to whom this section applies shall attend instruction provided when it is offered for the first time after his appointment, election or assignment, unless he is excused by written order of the supreme court.
(3) The administrative director of the courts shall arrange for giving appropriate instruction to magistrate judges as required by the provisions of this section.