The fulfillment of the principle of quality of the data (article 4 LOPD) it requires, in the measure of the possible one, to make a ponderation with respect to the particulars included in the whole of the requested information, especially if sensitive data are treated (article 7 LOPD), so that more data of the strictly necessary ones to attain the legitimate purpose that justifies the access are not communicated, this is the development of the functions that correspond to the town councilors.