In the field of health protection, the mayor is first police authority: municipal police authority, which includes public hospitality in its components; for special-purpose health policies, he is rarely the main holder but can intervene in various ways. The mayor is then the head of the municipality’s public services. He/she shall be ex officio president of the board of directors of the local hopital. In the case of other services, it must carry out the municipal council’s deliberations. In practice, its role is decisive, which is why its penal responsibility can be put into play.