Regulations Governing the Installation, Use and Management of Technical Equipment in Prisons and Detention Centers Article 4

Authorities shall use technical equipment for the purpose of maintaining the security or protection of the Authorities, with due care exercised about the dignities of the Inmates and relevant persons and without exceeding the necessary level for the achievement of the purpose of protection.In using technical equipment to collect, process or use Biological Personally Identifiable Data of persons accessing the facilities, Authorities shall take into consideration the status of the persons, the frequency of access, the premises accessed, the level of sensitivity of the information and reasonable expectations of privacy by these persons, without exceeding the necessary scope for the purpose of protection and security; general collection, processing or use is prohibited.
中文原文 監獄及看守所科技設備設置與使用及管理辦法第4條
機關運用科技設備應以維護機關安全或戒護為目的,並注意收容人及相關人員之尊嚴,不得逾越所欲達成戒護目的之必要限度。
機關運用科技設備蒐集、處理或利用進出人員之個人生物特徵識別資料時,應考量進出人員之身分、進出頻率、進出場所、資料之敏感性及當事人對隱私權之合理期待等因素,不得逾越戒護安全目的之必要範圍,並禁止有廣泛性蒐集、處理或利用之情形。

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