La. Civ. Code art. 790
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 the boundary is fixed extrajudicially costs are divided equally between the adjoining owners in the absence of contrary agreement. When the boundary is fixed judicially court costs are taxed in accordance with the rules of the Code of Civil Procedure. Expenses of litigation not taxed as court costs are borne by the person who has incurred them.
La. C.C. § 790