Presidential and Vice Presidential Election and Recall Act Article 76

A recall proposal shall be adopted when more than half of the total voters in the free area of the Republic of China have voted, and more than half of the valid ballots agree to recall.
中文原文 總統副總統選舉罷免法(新840809制定)第76條
罷免案經中華民國自由地區選舉人總額過半數之投票,有效票過半數同意罷免時,即為通過。

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