La. Civ. Code art. 270
Current with operative changes from the 2024 Third Special Legislative Session
When a minor is an orphan, and has no tutor appointed by his father or mother, nor any relations who may claim the tutorship by effect of law, or when the tutor appointed in some of the modes above expressed is liable to be excluded or disqualified, or is excused legally, the judge shall appoint a tutor to the minor.
La. C.C. § 270