Organization Act of National Treasury Administration, Ministry of Finance Article 3

The Administration shall have one Director-General whose position is ranked as Senior Grade 13 and two Deputy Director-General whose position is ranked as Senior Grade 12.
中文原文 財政部國庫署組織法第3條
本署置署長一人,職務列簡任第十三職等;副署長二人,職務列簡任第十二職等。

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