Organization Act of the National Academy for Educational Research, Ministry of Education. Article 3

NAER shall have one President (with qualification requirements equal to those of a university president), and two Vice Presidents (with a civil servant rank of Grade 12). One of the Vice Presidents may be appointed, if necessary, with the qualification requirements equal to those of a college dean.
中文原文 國家教育研究院組織法第3條
本院置院長一人,比照大學校長資格聘任;副院長二人,職務列簡任第十二職等,必要時其中一人得比照大學校院具教授資格之院長級以上者聘任。

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