Enforcement Act of the Part of Rights In Rem of the Civil Code Article 10

A person who possesses a real property before the coming into force of the Rights in Rem part of the Civil Code, and who fulfils the conditions of Article 801 or 886, acquires its ownership or pledge from the date of the coming into force of the Rights in Rem part.
中文原文 民法物權編施行法第10條
民法物權編施行前,占有動產,而具備民法第八百零一條或第八百八十六條之條件者,於施行之日,取得其所有權或質權。

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