Communication of data of the municipal census in one third hired by the town council itself for the realization d’un study about the situations of dependence from the old people of the town. The municipal census d’habitants is configured like a data base of personal character and, in the supposition that he considers, regrets that the third hired one is entrusted of the treatment, with the duties that this entails, as the LOPD is not considered communication of data in third one. The third one hired by l’ajuntament will have to comply with the duty d’informació to the persons concerned of whom particulars are collected.