Act Governing Relations between the People of the Taiwan Area and the Mainland Area Article 10-1

Any of the people of the Mainland Area who apply to enter into the Taiwan Area for family reunion, residency, or permanent residency shall be interviewed, fingerprinted, and registered for record; where it fails to be interviewed or fingerprinted, no permission shall be granted to its application for family reunion, residency, or permanent residency. Governing rules thereof shall be prescribed by the competent authorities.
中文原文 臺灣地區與大陸地區人民關係條例第10-1條
大陸地區人民申請進入臺灣地區團聚、居留或定居者,應接受面談、按捺指紋並建檔管理之;未接受面談、按捺指紋者,不予許可其團聚、居留或定居之申請。
其管理辦法,由主管機關定之。

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