At any time after the institution of a preliminary investigation, when it appears that a judge poses a substantial threat of serious harm to the public or the administration of justice, the investigative panel may recommend to the chief justice of the supreme court that the judge be reassigned pending a final determination of any proceeding under these rules. The panel's recommendation shall be filed with the clerk of the court and served on the judge, who may file objections to the recommendation. The chief justice's ruling on the recommendation shall continue in effect until final disposition of all pending proceedings against the judge, unless earlier vacated or modified.