Presidential and Vice Presidential Election and Recall Act Article 21

Candidates for president and vice president shall prepare the forms and the deposit stipulated by the Central Election Commission and shall file the registration application with the Commission by joint signature. If the registration application is not filed by joint signature the forms or deposit are not in accordance with the relevant provisions, or the application is not filed during the prescribed period, it shall not be accepted.The candidates referenced in the preceding paragraph shall be recommended by a political party or through a joint-signature petition.If the qualifications of one or both candidates in a pair of candidates for president and vice president are found to not meet the requirements, the pair of candidates shall not be registered.
中文原文 總統副總統選舉罷免法(新840809制定)第21條
總統、副總統候選人,應備具中央選舉委員會規定之表件及保證金,於規定時間內,向該會聯名申請登記。
未聯名申請登記、表件或保證金不合規定,或未於規定時間內辦理者,不予受理。
前項候選人,應經由政黨推薦或連署人連署。
同一組總統、副總統候選人,如經審定一人或二人資格不符規定,則該組候選人,應不准予登記。

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