Possibility d’implantar a system d’informació that l’accés allows to data of health among different public and private welfare centers d’una public network. The concretion of the information is missed object of treatment contained to the clinical history that it will be. The generic forecast that s’efectua not s’adequa to the regulations of protection of data nor to that of the clinical history. It is necessary to determine the communication of the sanitary information for purposes that are not sanitary d’assistència; the suppositions in what s’aplica the figure of l’encarregat of the treatment and the cases in which a cession is produced of data among the welfare centers.