The Social Security Medical Board (Contrôle médical de la sécurité sociale - CMSS) is an administration under the authority of the Ministry of Social Security (Ministère de la sécurité sociale). Its main roles are:

• assessing incapacities for work and, if applicable, determining the provisional or permanent degree of disability with regard to the normal capacity for work;
• periodically checking and monitoring illnesses or disabilities giving rise to benefits or allowances;
• conducting medical examinations and issuing opinions with regard to the granting of priority and disability cards.