Public officials Election And Recall Act Article 82

The total number of voters as referred to in Article 76 and in the preceding article shall refer to the total number of voters in the electoral district where the person subject to recall was elected at the time when they were elected; the age and length of residence of voters shall be calculated up to the day the recall proposal is raised.
中文原文 公職人員選舉罷免法第82條
第七十六條及前條所稱選舉人總數,以被罷免人當選時原選舉區之選舉人總數為準;所稱選舉人,其年齡及居住期間之計算,以罷免案提出日為準。

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