In the examined case the assignor and the assign, who are part of the autonomic public administration, have differentiated legal status. It is necessary to apply then the regime of data communication foreseen in the article 21 of the LOPD. Consequently, the access founded in the purpose of creating a System of indicators about the situation and evolution in the work world of persons with disability, it is legitimate, from the prospect of the protection of data, because object of the competence of the entity responsible for the file refers to matters coincident with those that they are. In any case, it is necessary to foresee the suitable fulfillment of the duty of information (article 5 of the LOPD); creating the file or files that are necessary to preserve and to treat the personal information of form suitable, and to apply the high level of safety measures to the data processing, as well as to give fulfillment to the duty of secret (article 10 of the LOPD).