Administrative Procedure Act Article 40
An administrative authority may request the party or a third person to provide documents, information and/or other articles as may be necessary for the purpose of inquisition into facts and evidence.
中文原文 行政程序法第40條
行政機關基於調查事實及證據之必要，得要求當事人或第三人提供必要之文書、資料或物品。