Organization Act of the Council of Indigenous Peoples Article 6

The official ranks and number of personnel of each position of the Council will be separately stipulated in an organization chart.No less than 60% of the personnel specified in the preceding Paragraph with the official title of senior, associate or junior shall be indigenous persons. If the current number of personnel does not reach the ratio of indigenous persons required to be employed under this Act, new personnel shall be employed after non-indigenous public servants vacate their positions.
中文原文 原住民族委員會組織法第6條
本會各職稱之官等職等及員額,另以編制表定之。
前項人員,簡任、薦任、委任各官等人員具原住民身分者,均不得低於百分之六十。
本法所定進用原住民比例,現有員額未達比例者,俟非原住民公務人員出缺後,再行進用補足。

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