The Election and Recall Law governing the election for president and vice president states: Persons residing overseas, who are least 20 years of age, who have had legal residence in Taiwan for at least four consecutive months, who hold valid ROC passports, and who register within the prescribed time limit, shall be able to return to the country to vote in the presidential election.
「總統副總統選罷法」規定：年滿二十歲、曾在台灣地區繼續居住四個月以上、持有中華民國有效護照的海外人民，在規定期限內辦妥選民登記，就可以回國選總統。