No judge or associate judge shall sit in any case in which he has a vested interest, or in which he is biased or prejudiced in favor of or against any interested party, or in which he has been counsel or a material witness, or in the determination of any cause or proceeding in the administration or settlement of any estate under a will that he has prepared, or of any estate of any person in which he is interested as heir, legatee, executor, administrator, guardian or trustee. In every such case the Chief Justice of the Supreme Court shall appoint a special judge to sit in the matter.
S.C. Code § 14-23-1080