La. Civ. Code art. 2590
Current with changes from the 2024 legislative session effective on or before 7/1/2024, from Acts 2,3, 6-535, and 580-647
To determine whether there is lesion, the immovable sold must be evaluated according to the state in which it was at the time of the sale. If the sale was preceded by an option contract, or by a contract to sell, the property must be evaluated in the state in which it was at the time of that contract.
La. C.C. § 2590