Telecommunications Act Article 7
A telecommunications enterprise or its employees, including the retired, shall hold the existence and contents of communications in strict confidence.The preceding paragraph is not applicable to inquiries conducted in accordance with law. The DGT shall promulgate rules governing operational procedures for telecommunications enterprises to handle inquiries for communications records and users' data by relevant institutions.Each telecommunications enterprise shall supply the relevant communications records to any subscriber who requests his own communications records, after paying necessary charges, to the extent that the technology of the telecommunications equipment and system allows. The above is not constrained by Paragraph 1. The DGT shall promulgate governing operational regulations for subscribers of the telecommunications enterprise who wish to request copies of their own communications records.
中文原文 電信法第7條
電信事業或其服務人員對於電信之有無及其內容，應嚴守秘密，退職人員，亦同。
前項依法律規定查詢者不適用之；電信事業處理有關機關（構）查詢通信紀錄及使用者資料之作業程序，由電信總局訂定之。
電信事業用戶查詢本人之通信紀錄，於電信事業之電信設備系統技術可行，並支付必要費用後，電信事業應提供之，不受第一項規定之限制；電信事業用戶查詢通信紀錄作業辦法，由電信總局訂定之。
前項依法律規定查詢者不適用之；電信事業處理有關機關（構）查詢通信紀錄及使用者資料之作業程序，由電信總局訂定之。
電信事業用戶查詢本人之通信紀錄，於電信事業之電信設備系統技術可行，並支付必要費用後，電信事業應提供之，不受第一項規定之限制；電信事業用戶查詢通信紀錄作業辦法，由電信總局訂定之。