La. Civ. Code art. 1974
Current with operative changes from the 2024 Third Special Legislative Session
If the determination of the quantity of the object has been left to the discretion of a third person, the quantity of an object is determinable.
If the parties fail to name a person, or if the person named is unable or unwilling to make the determination, the quantity may be determined by the court.
La. C.C. § 1974