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.
中文原文 民事訴訟法第38條
第三十五條第一項所定為裁定之法院或兼院長之法官,如認法官有應自行迴避之原因者,應依職權為迴避之裁定。
法官有第三十三條第一項第二款之情形者,經兼院長之法官同意,得迴避之。

English translation for reference only; the Chinese text prevails. Not legal advice.