The Enforcement Rules of the Prison Act Article 21

When the use of a guard instrument is approved under Paragraph 1, Article 24 of the Act, the dates, start and end time for the use of guard instrument on the prisoner, the reason for the use and the type and quantity of guard instrument used shall be recorded in the guard instrument record form, which shall be submitted to the Prison Official for approval.Prison Officers shall observe the behavior of the prisoners at all times and shall stop the use of guard instruments when they are not necessary.
中文原文 監獄行刑法施行細則第21條
監獄依本法第二十四條第一項核准施用戒具者,應於外出施用戒具紀錄表記明受刑人施用戒具之日期、起訖時間、施用原因與戒具種類及數量,並陳送監獄長官核閱。
監獄人員應隨時觀察受刑人之行狀,無施用戒具必要者,應即解除。

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