Regulations for Collection and Management of Information on Sexual Offenders Article 17

When requesting data under the provisions of the previous article, an official letter must be provided, specifying the legal basis, reason, type of data required, and purpose for which the data is used. However, in cases of urgent need for crime detection, the request may be transmitted via telefax or other technological means, with the original to be sent subsequently.
中文原文 性侵害加害人檔案資料管理及使用辦法第17條
依前條規定請求提供資料時,應檢具公函,敘明法律依據、理由、所需資料類別及資料使用目的。
但因犯罪偵防緊急需要,得以電信傳真或其他科技設備傳送方式為之,並再行補送原本。

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