A Health Expertise Charter, approved by decree by the Conseil d’Etat, applies to expert appraisals carried out in the fields of health and health safety at the request of the Minister for Health or at the request of the authorities and bodies mentioned in I of article L. 1451-1. It specifies the procedures for choosing experts, the expert appraisal process and its relationship with decision-making power, the concept of a link of interest, cases of conflict of interest, procedures for managing any conflicts and the exceptional cases in which account may be taken of work carried out by experts presenting a conflict of interest.