to this Law shall specify the conditions for such use, and the procedures of recourse and appeal to the Authority in the event agreement fails to be reached, (b) The real property's owner or the person holding the rights thereto and the Licensee shall have the right to file a petition for review and to challenge the decision issued by the Authority, pursuant to the provisions set forth in the Executive Provisions. (c) A Public Telecommunications Network Operator has the right to install, any facilities, connections, wires, masts, ducts, or any similar [facility], which are necessary for the construction, development or maintenance of its network within the geographical boundaries of the real properties that it owns, after obtaining the approval of the Authority and the competent authorities. Article 49 Expropriation If the construction and development of a Public Telecommunications Network requires the installation of masts or ducts or the laying of wires or cables (underground or aerial), through private land and real property or any parts thereof, or to carry out any works of similar nature, within the Telecommunications Networks’ expansion plans approved by the authority, which are deemed of public utility, the Authority may request from the Minister to take all necessary action to expropriate such real property or any necessary parts thereof, for the benefit of the Authority, in accordance with the expropriation law in force. The Authority shall set the conditions and procedures for the use of such real properties by Licenses Chapter Twelve - Privacy, Data Protection and National Security Article 50 Privacy and Data Protection (a) Subject to Article 51 herein, communications between Users are considered private. (b) Every Licensee must take all the measures necessary to ensure the secrecy and privacy of the data of its subscribers. (c) The Executive Provisions determines the conditions for protecting the privacy of the Traffic Data and the privacy of the Subscriber's Location Data. Article 51 National Security (a) Each Licensee must in a case of emergency or a case involving national security comply with a request of the Prime Minister to grant preference and priority to any communications by the Armed Forces or any civil entity linked to it, or any other entity he specifies. (b) Without prejudice to the [right] of privacy of citizens, each Licensee must provide, at their own expense, all necessary technical capabilities for installing and using 32