Regulations Governing Temporary Detention of Passengers Article 2
During the inspection of entry and exit by the staff of National Immigration Agency of the Ministry of the Interior (hereinafter referred to as “the Agency”), if there is sufficient evidence for the staff to believe that a person who meets one of the circumstances listed in Paragraph 1, Article 64 of the Act, the staff shall temporarily detain him/her in the service unit and shall conduct an investigation.
中文原文 內政部入出國及移民署實施暫時留置辦法第2條
內政部入出國及移民署（以下簡稱入出國及移民署）執行職務人員於入出國查驗時，有事實足認當事人有本法第六十四條第一項各款情形之一者，得將其暫時留置於勤務處所，進行調查。