Securities and Exchange Act Article 64

The Competent Authority, to protect the public interest or the interest of investors, may at any time order a securities firm to provide financial or business reports and information or examine its business operations, assets, books and records, documents, or other relevant objects. The Competent Authority may place under seal or subpoena of relevant evidence and materials if it finds that there is a substantial likelihood of violation of a law or regulation.
中文原文 證券交易法第64條
主管機關為保護公益或投資人利益,得隨時命令證券商提出財務或業務之報告資料,或檢查其營業、財產、帳簿、書類或其他有關物件;如發現有違反法令之重大嫌疑者,並得封存或調取其有關證件。

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