The judge or magistrate assigned to replace a disqualified judge or magistrate shall hear the action involved at the time set in any previous order, notice of any calendar assignment or at such other time as he may designate, to the end that the filing of such affidavit for change of judge or magistrate shall not result in any unnecessary delay. Source: SDC 1939 & Supp 1960, § 33.1216; SDCL, § 15-12-16; Supreme Court Rule No. 75-5, § 17. 15-12-37 . Disqualification on court's own motion. A judge or magistrate having knowledge of a ground for self - disqualification under the guidelines established by Canon 3E shall not, unless Canon 3F is utilized, await the filing of an affidavit but shall remove himself on written motion to be filed in duplicate by the judge or magistrate with the clerk of courts of the county wherein the action is pending. The clerk of courts shall notify the presiding judge, and the parties or their attorneys in the manner provided by this chapter for notification on filing of an affidavit for change of judge or magistrate. Source: Supreme Court Rule No. 75-5, § 18; SL 2023, ch 216 (Supreme Court Rule 22-15), eff. Jan. 1, 2023.