Constitution of the Republic of China (Taiwan) Article 1

The Republic of China, founded on the Three Principles of the People, shall be a democratic republic of the people, to be governed by the people and for the people.
中文原文 中華民國憲法第1條
中華民國基於三民主義,為民有民治民享之民主共和國。

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