La. Civ. Code art. 2629
Current with operative changes from the 2024 Third Special Legislative Session
An option, right of first refusal, or contract to sell that involves immovable property is effective against third persons only from the time the instrument that contains it is filed for registry in the parish where the immovable is located.
An option, right of first refusal, or contract to sell that involves movable property is effective against third persons who, at the time of acquisition of a conflicting right, had actual knowledge of that transaction.
La. C.C. § 2629