Louisiana Children's Code Tit. III, Art. 309. Continuing jurisdiction over custody disputes

A. Except as provided in Article 313, a court exercising juvenile jurisdiction shall have continuing jurisdiction over the following proceedings and the exclusive authority to modify any custody determination rendered, including the consideration of visitation rights:

B. In exercise of its jurisdiction to determine the custody of a child under writs of habeas corpus or when custody is incidental to the determination of pending cases, a district court may enter an order of custody or modify any prior order of custody rendered by a juvenile court concerning the same child in any proceeding except those enumerated in Paragraph A of this Article.