Art. 3941. Court where action brought; nullity of judgment of court of improper venue
A. An action for an annulment of marriage or for a divorce shall be brought in a parish where either party is domiciled, or in the parish of the last matrimonial domicile.
B. The venue provided in this Article may not be waived, and a judgment rendered in either of these actions by a court of improper venue is an absolute nullity.