The consultation provided for in this Title shall consist, for the head of the undertaking or the leading undertaking in the Community-scale group of undertakings or any other more appropriate level of management, in organising an exchange of views and establishing a dialogue with the representatives of the employees at a time, in such a way and with such content as to enable them to express, on the basis of the information provided and within a reasonable time, an opinion on the measures which are the subject of the consultation, which may be taken into account within the Community-scale undertaking or group of undertakings, without prejudice to the responsibilities of the employer.