La. Civ. Code art. 270
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 1-3, 6-671
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