The Organic Act of the Ministry of Finance Article 3

The Ministry shall have one (1) politically appointed Minister, two (2) Political Deputy Ministers of a rank equivalent to Grade 14, and one (1) Administrative Deputy Minister of a rank equivalent to Grade 14.
中文原文 財政部組織法第3條
本部置部長一人,特任;政務次長二人,職務比照簡任第十四職等;常務次長一人,職務列簡任第十四職等。

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