La. Civ. Code art. 794
Current with changes from the 2024 legislative session, Chs. 3, 6-496, effective on or before 7/1/2024
When a party proves acquisitive prescription, the boundary shall be fixed according to limits established by prescription rather than titles. If a party and his ancestors in title possessed for thirty years without interruption, within visible bounds, more land than their title called for, the boundary shall be fixed along these bounds.
La. C.C. § 794