The Communication Security and Surveillance Act Article 11-1
For the purposes of investigating crimes and collecting evidence, prosecutors and judicial police officers may obtain the communications user information, if there are sufficient facts to determine that it is necessary and relevant to the investigation of the case.For the purposes of investigating crimes and collecting evidence, prosecutors may obtain the communications records or network traffic records, if there are sufficient facts to determine that it is necessary and relevant to the investigation of the case, unless in the situation of an emergency for which prior application is not possible, a written application should be filed with the court for an access warrant. For the matters to be specified in the application, Paragraph 1 of the preceding Article shall apply mutatis mutandis.For the purposes of investigating crimes and collecting evidence, judicial police officers may obtain the communications records or network traffic records, if there are sufficient facts to determine that it is necessary and relevant to the investigation of the case, following an approval by the prosecutor, an application may be filed with the court of jurisdiction for issuance of an access warrant in accordance with the preceding Paragraph.When a prosecutor or judicial police officer investigates an offense punishable by a term of imprisonment of at least 10 years, the offense of robbery, forcible taking, fraud, extortion, kidnapping for ransom, against the computer security, escape or violation of the Human Trafficking Prevention Act, Statute for Fire Arms, Ammunition and Harmful Knives Control, Statute for Punishment of Smuggling, Narcotics Hazard Prevention Act, Organized Crime Prevention Act, Waste Disposal Act, Child and Youth Sexual Exploitation Prevention Act, Money Laundering Control Act, National Security Act, Anti-Infiltration Act, Presidential and Vice Presidential Election and Recall Act, Public officials Election And Recall Act, Articles 47-1 to 47-3 of Farmers Association Act, Articles 50-1 to 50-3 of Fishermen Associations Act and, if the prosecutor or judicial police officer has sufficient facts to determine that the communication records or network traffic records are necessary and relevant to the investigation of the case, the prosecutor may obtain the communications records or network traffic records, following an approval by the prosecutor, and the restrictions under the preceding two paragraphs shall not apply.After obtaining communication records or network traffic records under the emergency situation prescribed in Paragraph 2, a supplementary application should be filed with the court for issuance of an access warrant within 24 hours.The access warrant shall specify the following:1. The case.2. The communications records or network traffic records to be accessed.3. The validity period and the specification that no access shall be allowed after expiration of said period and that the access warrant shall be returned after access is obtained.The court’s decision to reject any application under Paragraphs 2, 3 or 5 shall not be challenged.The procedure for issuance of an access warrant shall not be public.In case of any need to access the communications records or network traffic records of any target of surveillance under Article 7 and the communications user information, the authority overseeing national intelligence may seek access with the telecommunications enterprises, and those who set up public telecommunications networks or postal enterprises and the restrictions under the preceding 8 Paragraphs shall not apply.For the purposes of investigating crimes and collecting evidence, prosecutors and judicial police officers may, with the consent of the user or telecommunications user, obtain his/her communication user information, communication records or network traffic records, without the restrictions set forth in Paragraphs 1 to 8.The procedures for obtaining communications user information, data storage, data destruction, data supervision, auditing and other related matters shall be set forth by the Ministry of Justice in conjunction with the Ministry of the Interior and in consultation with relevant agencies.
中文原文 通訊保障及監察法第11-1條
檢察官、司法警察官為偵查犯罪及蒐集證據，有事實足認通訊使用者資料於本案之偵查有必要性及關連性時，得調取之。
檢察官為偵查犯罪及蒐集證據，有事實足認通信紀錄或網路流量紀錄於本案之偵查有必要性及關連性時，除有急迫情形不及事先聲請者外，應以書面聲請該管法院核發調取票。
聲請書之應記載事項，準用前條第一項之規定。
司法警察官為調查犯罪及蒐集證據，有事實足認通信紀錄或網路流量紀錄於本案之調查有必要性及關連性時，得依前項規定，報請檢察官許可後，向該管法院聲請核發調取票。
檢察官、司法警察官為偵辦最輕本刑十年以上有期徒刑之罪、強盜、搶奪、詐欺、恐嚇、擄人勒贖、妨害電腦使用、脫逃，及違反人口販運防制法、槍砲彈藥刀械管制條例、懲治走私條例、毒品危害防制條例、組織犯罪防制條例、廢棄物清理法、兒童及少年性剝削防制條例、洗錢防制法、國家安全法、反滲透法、總統副總統選舉罷免法、公職人員選舉罷免法、農會法第四十七條之一至第四十七條之三、漁會法第五十條之一至第五十條之三等罪，有事實足認通信紀錄或網路流量紀錄於本案之偵查有必要性及關連性時，得由檢察官依職權或司法警察官經檢察官許可後，調取通信紀錄或網路流量紀錄，不受前二項之限制。
依第二項急迫情形調取通信紀錄或網路流量紀錄後，應於二十四小時內向法院補行聲請調取票。
調取票，應記載下列事項：
一、案由。
二、應調取之通信紀錄或網路流量紀錄。
三、有效期間，逾期不得執行調取及調取後應將調取票交回之意旨。
第二項、第三項及第五項之聲請經法院駁回者，不得聲明不服。
核發調取票之程序，不公開之。
有調取第七條之監察對象通信紀錄、網路流量紀錄或通訊使用者資料必要者，由綜理國家情報工作機關向電信事業、設置公眾電信網路者或郵政事業調取，不受前八項之限制。
檢察官、司法警察官為偵查犯罪及蒐集證據，經用戶或電信使用人同意，得調取其通訊使用者資料、通信紀錄或網路流量紀錄，不受第一項至第八項之限制。
通訊使用者資料調取之程序、資料保存、銷燬、監督、稽核等相關事項之辦法，由法務部會同內政部並會商相關機關定之。
檢察官為偵查犯罪及蒐集證據，有事實足認通信紀錄或網路流量紀錄於本案之偵查有必要性及關連性時，除有急迫情形不及事先聲請者外，應以書面聲請該管法院核發調取票。
聲請書之應記載事項，準用前條第一項之規定。
司法警察官為調查犯罪及蒐集證據，有事實足認通信紀錄或網路流量紀錄於本案之調查有必要性及關連性時，得依前項規定，報請檢察官許可後，向該管法院聲請核發調取票。
檢察官、司法警察官為偵辦最輕本刑十年以上有期徒刑之罪、強盜、搶奪、詐欺、恐嚇、擄人勒贖、妨害電腦使用、脫逃，及違反人口販運防制法、槍砲彈藥刀械管制條例、懲治走私條例、毒品危害防制條例、組織犯罪防制條例、廢棄物清理法、兒童及少年性剝削防制條例、洗錢防制法、國家安全法、反滲透法、總統副總統選舉罷免法、公職人員選舉罷免法、農會法第四十七條之一至第四十七條之三、漁會法第五十條之一至第五十條之三等罪，有事實足認通信紀錄或網路流量紀錄於本案之偵查有必要性及關連性時，得由檢察官依職權或司法警察官經檢察官許可後，調取通信紀錄或網路流量紀錄，不受前二項之限制。
依第二項急迫情形調取通信紀錄或網路流量紀錄後，應於二十四小時內向法院補行聲請調取票。
調取票，應記載下列事項：
一、案由。
二、應調取之通信紀錄或網路流量紀錄。
三、有效期間，逾期不得執行調取及調取後應將調取票交回之意旨。
第二項、第三項及第五項之聲請經法院駁回者，不得聲明不服。
核發調取票之程序，不公開之。
有調取第七條之監察對象通信紀錄、網路流量紀錄或通訊使用者資料必要者，由綜理國家情報工作機關向電信事業、設置公眾電信網路者或郵政事業調取，不受前八項之限制。
檢察官、司法警察官為偵查犯罪及蒐集證據，經用戶或電信使用人同意，得調取其通訊使用者資料、通信紀錄或網路流量紀錄，不受第一項至第八項之限制。
通訊使用者資料調取之程序、資料保存、銷燬、監督、稽核等相關事項之辦法，由法務部會同內政部並會商相關機關定之。