The Organization Act of the Directorate-General of Personnel Administration, Executive Yuan Article 3

The Directorate-General shall have one Minister, specially appointed; and two Deputy Ministers, one of whom shall be a political appointee of equivalent ranking to Senior 14th grade and the other a civil servant ranked Senior 14th grade.
中文原文 行政院人事行政總處組織法第3條
總處置人事長一人,特任;副人事長二人,其中一人職務比照簡任第十四職等,另一人職務列簡任第十四職等。

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