The representative trade union organisations in the company may take all legal action resulting from articles L. 1152-1 to L. 1152-3 and L. 1153-1 to L. 1153-4.
They may take such action on behalf of an employee of the undertaking under the conditions set out in article L. 1154-1, provided that they have the written agreement of the person concerned.
The person concerned may always intervene in the proceedings initiated by the trade union and terminate them at any time.