Regulations Governing The Overnight Stay Of Transit Passengers Article 11

The Agency shall require passengers to spend the night at the restricted areas of the airport or seaport if they:1. meet the conditions set forth in paragraph 1 of Article 7 or paragraph 1 or 2 of Article 18; or2. are banned from entering the States according to other laws and regulations.3. are suspected of illegal entry and such suspicion is backed by sufficient evidence.
中文原文 過境乘客過夜住宿辦法第11條
經許可過夜住宿乘客有下列情形之一者,移民署得指定其在機場、港口管制區內過夜住宿:
一、有本法第七條第一項、第十八條第一項或第二項情形。
二、依其他法令得禁止入國。
三、有事實足認有非法入國之虞。

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