Article 4: (1) The confidentiality of communications and the related traffic data by means of public electronic communications networks and publicly available electronic communications services is guaranteed. (2) Listening, tapping, storage or other kinds of interception or surveillance of communications and the related traffic data are prohibited, except for the following cases: a) these operations are carried out by the users who participate in that communication; b) the users who participate in that communication have previously given their written consent; c) these operations are carried out by the competent authorities, under the conditions set out by the legal provisions in force.
Law no.506/2004 on the processing of personal data and the protection of privacy in the electronic communications sector
Type of law:
National constitutional law