Louisiana Code of Civil Procedure Tit. I, Art. 151. Grounds

A. A judge of any trial or appellate court shall be recused upon any of the following grounds:

B. A judge of any trial or appellate court shall also be recused when there exists a substantial and objective basis that would reasonably be expected to prevent the judge from conducting any aspect of the cause in a fair and impartial manner.

C. In any cause in which the state or a political subdivision thereof is interested, the fact that the judge is a citizen of the state or a resident of the political subdivision, or pays taxes thereto, is not a ground for recusal. In any cause in which a religious body or religious corporation is interested, the fact that the judge is a member of the religious body or religious corporation is not alone a ground for recusal.