National Park Law Article 7

All decisions pertaining to the establishment and abolition of national parks, and the declaration and alteration of their boundaries, shall be submitted by Ministry of the Interior to Executive Yuan for approval and announcement.
中文原文 國家公園法第7條
國家公園之設立、廢止及其區域之劃定、變更,由內政部報請行政院核定公告之。

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