Enforcement Rules of the Nationality Act Article 14

A person who applies for revocation of loss of nationality in accordance with Article 14 of this Act shall submit an application form enclosed with the following documents:1. A Certificate of Permitted Loss of Nationality;2. Related documents proving the rejection or agreed withdrawal of attempted acquisition of foreign nationality, or other documents proving the applicant has not acquired the nationality of that country;3. A minor shall submit a letter of consent from his/her legal representative.The fact that the applicant has failed to acquire foreign nationality as referred to in Subparagraph 2 of the preceding Paragraph shall be verified by MOFA when it is deemed necessary by the MOI.
中文原文 國籍法施行細則第14條
依本法第十四條規定申請撤銷國籍之喪失者,應填具申請書,並檢附下列文件:
一、喪失國籍許可證書。
二、原擬取得該外國國籍之政府所核發之駁回、同意撤回其申請案或其他未取得該國國籍之相關證明文件。
三、未成年人附繳其法定代理人同意證明。
前項第二款未取得外國國籍之事實,經內政部認有查證之必要時,得轉請外交部查明。

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