Article D4622-21 of the French Labour Code
Unless otherwise advised by the regional director of companies, competition, consumption, labour and employment, an inter-company occupational health and prevention service may not oppose the membership of a company within its remit. An inter-company occupational health and prevention service may accept the membership of a company located in the region where it has approval provided that the following conditions are met: 1° The company’s membership does not call into question…