In order to extend the composition of the user undertaking’s health, safety and working conditions committee to include representation from external undertakings, in application of article L. 4523-11, it is the responsibility of:
1° The head of the user undertaking’s establishment to identify the external undertakings which meet the criteria defined in article R. 4523-6 and to select from among these the undertakings which are to appoint one or more representatives;
2° The head of each external undertaking to appoint the representatives of his undertaking by name.