DATA PROTECTION LAWS OF THE WORLD value added services. Prior express consent is required and such consent may be withdrawn at any time. Processing should be limited to those employees in charge of: billing or traffic management customer inquiries fraud detection marketing of electronic communications services accessible to the public the provision of value added services Notwithstanding the above, electronic communication operators should keep in an autonomous file all traffic data and localization data exclusively for the purpose of: investigation detection or prosecution of criminal offences on Information and Communication Technologies (ICT). Location data The processing of Location Data is only allowed if the data is made anonymous or to the extent and for the duration necessary for the provision of value added services, provided prior express consent is obtained. In this case prior complete and accurate information must be provided on the type of data being processed, as well as the purposes and duration of the processing and the possibility of disclosure to third parties for the provision of value added services. Electronic communication operators must ensure the possibility to withdraw consent at any time, or temporarily refuse the processing of such data for each connection to the network or for each transmission of a communication. This shall be provided by using simple means, which are free of charge to the user. The processing should be limited to those employees in charge of electronic communications services accessible to the public. The Location Data may be kept for criminal investigation or evidence purposes. 8 | Data Protection Laws of the World | Angola vs Macau | www.dlapiperdataprotection.com