The Enforcement Rules of the Prison Act Article 12

When admission is rejected in accordance with Paragraph 1, Article 13 of the Act, the Prison shall specify the reason and handle the situation in accordance with Paragraph 6 of the same Article.
中文原文 監獄行刑法施行細則第12條
依本法第十三條第一項拒絕收監者,監獄應記明其原因,並依同條第六項規定處理之。

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