Within four years after the date of the enactment of this chapter, the Judicial Conference of the United States shall prepare a comprehensive report on all plans received pursuant to
section 472(d) of this title. The Director of the Federal Judicial Center and the Director of the Administrative Office of the United States Courts may make recommendations regarding such report to the Judicial Conference during the preparation of the report. The Judicial Conference shall transmit copies of the report to the United States district courts and to the Committees on the Judiciary of the Senate and the House of Representatives.