Cadastral Clearance Act Article 4

The municipal or county (city) authority concerned shall investigate within its jurisdiction the land cadastre of Articles 17 to 33 within a certain period. The regulations concerning investigative period, scope, classifications, procedures and other related matters shall be prescribed by the central authority concerned.
中文原文 地籍清理條例第4條
直轄市或縣(市)主管機關應於一定期間內清查轄區內第十七條至第三十三條規定之土地地籍;其清查之期間、範圍、分類、程序及其他相關事項之辦法,由中央主管機關定之。

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