The delivery to a citizen of the data of the persons that they find or have been registered in a housing of its property constitutes a communication of data, and has to be carried out as such in accordance with the foreseen regime for the communications of particulars. The regulations regulatory of the data of the census, establish that out of the suppositions contemplated in these regulations, the data of the census are confidential and will be in what orders the regulations of protection of particulars and the LRJPAC. The communication of particulars contained in the Municipal Census of Inhabitants it can be carried out for third, whenever these prove a legitimate and direct interest for the exercise of this law (art. 37.3 LRPAC), previous ponderation on the part of the Town Council that will have to value if the legitimate interest can be attained without the need for affecting the right to the protection of data. In any case, the determination of the particulars that can be an object of communication will have to respect the principle of quality of the data, and in particular the principle of proportionality (art. 4 LOPD).