Organic Act of the Architecture and Building Research Institute, Ministry of the Interior Article 3

The Institute shall be headed by one (1) Director-General, who shall have a civil service rank of grade thirteen (13), or the rank of a university professor or above. One (1) Deputy Director-General with a rank of grade twelve (12) shall be appointed.
中文原文 內政部建築研究所組織法第3條
本所置所長一人,職務列簡任第十三職等,或比照教授以上之資格聘任;副所長一人,職務列簡任第十二職等。

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