Telecommunications Management Act Article 9

The telecommunications enterprise shall ensure the accuracy of communications and accounting records generated from telecommunications services used by the subscribers or telecommunications service users. Said records shall be preserved within a specific period of time and the telecommunications enterprise shall ensure the confidentiality thereof. When a subscriber inquires his/her communications or accounting record, the telecommunications enterprise shall provide it thereto.The abovementioned communications records refers to records such as the telecommunications numbers of the sender and the recipient, time of communication, length of use, address, service type, mailbox or location information generated by a PSTN after the subscriber or telecommunications service user uses the telecommunications services. The provision of said records shall also be limited to those available to be provided from the functions of the PSTN.Rules governing the preservation period of communications and accounting records as described in the preceding two paragraphs; subscribers’ inquiry procedures; charging methods and other related matters shall be promulgated by the competent authority.Telecommunications enterprises and those who have established PSTN are obliged to assist in the implementation of communication surveillance and in the access to communications records and communications user’s information in accordance with the Communication Security and Surveillance Act.