La. Civ. Code art. 793
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
When both parties rely on titles only, the boundary shall be fixed according to titles. When the parties trace their titles to a common author preference shall be given to the more ancient title.
La. C.C. § 793