Public officials Election And Recall Act Article 25

When elections for more than one kind of public officials are held on the same day, persons shall be permitted to register as a candidate for only one kind of public official. All registrations for persons who register as a candidate for more than one kind of public official shall be null and void.A person qualified for more than one office of one kind of public official, shall only be permitted to register as a candidate for one. All registrations for persons who register as a candidate multiple times shall be null and void.
中文原文 公職人員選舉罷免法第25條
二種以上公職人員選舉同日舉行投票時,其申請登記之候選人,以登記一種為限。
為二種以上候選人登記時,其登記均無效。
同種公職人員選舉具有二個以上之候選人資格者,以登記一個為限。
為二個以上候選人登記時,其登記均無效。

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