Article 18 of the Spanish Constitution. 1) The right of honor, personal, and family privacy and identity is guaranteed. 2) The home is inviolable. No entry or search may be made without legal authority except with the express consensus of the owners or in the case of a flagrante delicto. 3) Secrecy of communication, particularly regarding postal, telegraphic, and telephone communication, is guaranteed, except for infractions by judicial order. 4) The law shall limit the use of information, to guarantee personal and family honor, the privacy of citizens and the full exercise of their rights.