The chief judge of each judicial district shall determine whether the district will use child support magistrates, family court referees, district court judges, or a combination of these individuals to preside over proceedings in the expedited process. The chief judge of each judicial district, with the advice and consent of the judges of the district, shall appoint each child support magistrate, except family court referees and district court judges, subject to confirmation by the Supreme Court. Each child support magistrate serves at the pleasure of the judges of the judicial district. Child support magistrates may be appointed on a full time, part time, or contract basis.