2848. The authority of a final judgment (res judicata) is an absolute presumption; it applies only to the object of the judgment when the demand is based on the same cause and is between the same parties acting in the same qualities and the thing applied for is the same.
However, a judgment deciding a class action has the authority of a final judgment with respect to the parties and the members of the group who have not excluded themselves therefrom.
1991, c. 64, a. 2848; I.N. 2014-05-01.