Presidential and Vice Presidential Election and Recall Act Article 4
The age and length of residence of voters and candidates shall be calculated up to the day before election day and shall be based on household registration data unless otherwise specified.The length of residence specified in the preceding paragraph shall be calculated from the date of household registration.In the case of a new vote, the calculation shall be made according to the original election day.
中文原文 總統副總統選舉罷免法（新840809制定）第4條
選舉人、候選人年齡及居住期間之計算，除另有規定外，均以算至投票日前一日為準，並以戶籍登記資料為依據。
前項居住期間之計算，自戶籍遷入登記之日起算。
重行投票者，仍依原投票日計算。
前項居住期間之計算，自戶籍遷入登記之日起算。
重行投票者，仍依原投票日計算。