La. Civ. Code art. 1925
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
A noninterdicted person, who was deprived of reason at the time of contracting, may obtain rescission of an onerous contract upon the ground of incapacity only upon showing that the other party knew or should have known that person's incapacity.
La. C.C. § 1925