Telecommunications Act Article 55

The DGT may dispatch personnel or cooperate with the police, with search warrants and evidentiary documents, to enter the establishments that harbor violations of this Act to conduct inspections or extract relevant information. The owner, responsible person, resident, custodian, user or the capable representative of the establishments shall not evade, obstruct or refuse such endeavors. For violations of Article 56 to Article 60, any search and detainment shall conform to relevant regulations of the Criminal Procedural Act.For the purpose of monitoring telecommunications activities, and to supervise or to regulate telecommunications enterprises, the DGT may request telecommunication enterprises, users of dedicated telecommunications or installers and users of radio stations to provide relevant materials, or to express their opinions by such parties hereof.
中文原文 電信法第55條
電信總局得派員或會同警察機關派員攜帶證明文件進入違反本法之場所,實施檢查並索取相關資料,該場所之所有人、負責人、居住人、看守人、使用人或可為其代表之人,不得規避、妨礙或拒絕。
但對於觸犯第五十六條至第六十條之罪者,實施搜索、扣押時,應依刑事訴訟法規定辦理。
電信總局為辦理電信監理業務及監督、管理電信事業,得向電信事業、專用電信使用人或電臺設置人、使用人索取相關資料或通知其到場陳述意見。

English translation for reference only; the Chinese text prevails. Not legal advice.