Section 2004 - Annulment for vices of substance; peremption of actionA. A final judgment obtained by fraud or ill practices may be annulled.B. An action to annul a judgment on these grounds must be brought within one year of the discovery by the plaintiff in the nullity action of the fraud or ill practices.C. The court may award reasonable attorney fees incurred by the prevailing party in an action to annul a judgment on these grounds.