La. Civ. Code art. 1950
Current with operative changes from the 2024 Third Special Legislative Session
Error may concern a cause when it bears on the nature of the contract, or the thing that is the contractual object or a substantial quality of that thing, or the person or the qualities of the other party, or the law, or any other circumstance that the parties regarded, or should in good faith have regarded, as a cause of the obligation.
La. C.C. § 1950