Article L2261-14-2 of the French Labour Code
Whenever a merger, transfer, demerger or any other legal change is envisaged which would have the effect of calling into question an agreement or arrangement, the employers of the undertakings concerned and the trade union organisations representing the employees in the undertaking employing the employees whose employment contracts are likely to be transferred may negotiate and conclude the substitution agreement or arrangement provided for in the first paragraph of Article…