Code of Civil Procedure Article 38
When finding that a judge should have voluntarily disqualified himself/herself, the court or the Chief Judge of the court prescribed in the first paragraph of Article 35 shall make the disqualification ruling on its own initiative.A judge may, with the consent of the Chief Judge of the court to which the judge is assigned, disqualify himself/herself under the circumstances provided in the second subparagraph of the first paragraph of Article 33.