Enforcement Rules of the Tobacco and Alcohol Administration Act Article 20

The identification documents to be presented by the investigation or enforcement personnel under Article 42 of the Act are as follows:1. Official letter issued by the authority concerned indicating the period of inspection and the name and title of the inspection official.2. Employee ID or pass of the inspection official or any other document sufficient to prove that he/she is employed by the authority.
中文原文 菸酒管理法施行細則第20條
本法第四十二條所定調查或取締人員應出示之證件,其範圍如下:
一、列明檢查起訖期間及檢查人員姓名、職稱之機關公函。
二、檢查人員之職員證、識別證或其他足以證明其在職之證件。

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