The Regulations for General Compilation of Landowners’ Properties Article 5

When dealing with the compilation of general registers of landowners, the registry of Municipality or County (City) (the registry in short hereafter) shall thoroughly examine the names or titles, ID card numbers or universally compiled numbers of landowners, holders of other rights and administrators of all lands and constructional improvements in its jurisdictions.For those landowners, holders of other rights or administrators who have no ID card numbers or universally compiled numbers, the registry shall compile the numbers according to the way provided by the competent authorities of the Central Government.
中文原文 地籍總歸戶實施辦法第5條
辦理地籍總歸戶,直轄市或縣(市)登記機關(以下簡稱登記機關)應就轄區內之土地及建築改良物,詳細查校所有權人、他項權利人與管理人姓名或名稱及國民身分證統一編號或統一編號。
所有權人、他項權利人或管理人無國民身分證統一編號或統一編號者,由登記機關依中央主管機關規定方式予以編號。

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