The Organization Act of the Administrative Enforcement Agency, Ministry of Justice Article 3

The Agency shall appoint one Director-General who is the selected appointment with 12th to 13th grade in the civil service system and one Deputy Director-General who is the selected appointment with 12th grade in the civil service system.The Director-General and the Deputy Director-General in the foregoing paragraph shall have the qualification of the enforcement officer.
中文原文 法務部行政執行署組織法第3條
本署置署長一人,職務列簡任第十二職等至第十三職等;副署長一人,職務列簡任第十二職等。
前項署長、副署長應具有行政執行官任用資格。

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