La. Code Civ. Proc. art. 596

A. Liberative prescription on the claims arising out of the transactions or occurrences described in a petition brought on behalf of a class is suspended on the filing of the petition as to all members of the class as defined or described therein. Prescription which has been suspended as provided herein, begins to run again:

(1) As to any person electing to be excluded from the class, thirty days from the submission of that person's election form;

(2) As to any person excluded from the class pursuant to Article 592, thirty days after mailing or other delivery or publication of a notice to such person that the class has been restricted or otherwise redefined so as to exclude him; or

(3) As to all members, thirty days after mailing or other delivery or publication of a notice to the class that the action has been dismissed, that the demand for class relief has been stricken pursuant to Article 592, or that the court has denied a motion to certify the class or has vacated a previous order certifying the class.

B. The time periods in Subparagraphs (A)(2) and (3) of this Article commence upon the expiration of the delay for taking an appeal if there is no appeal, or when an appeal becomes final and definitive. The notice required by Subparagraphs (A)(2) and (3) of this Article shall contain a statement of the delay periods provided herein.