Urban Renewal Act Article 43

The right transformation method can be used to reconstruct the area within the urban renewal project plan area; however, the authorities or relevant authorities can conduct land expropriation, zone expropriation, or urban land consolidation methods to implement it. Those governed by the regulations in other laws or as agreed by all the owners of the lands and legal buildings can use the method of joint construction agreement or other methods to implement it.When using zone expropriation to implement an urban renewal project, the authority shall prescribe the percentage between the total area of the offset price land and the total area of the zone expropriation land after considering the actual situation.
中文原文 都市更新條例第43條
都市更新事業計畫範圍內重建區段之土地,以權利變換方式實施之。
但由主管機關或其他機關辦理者,得以徵收、區段徵收或市地重劃方式實施之;其他法律另有規定或經全體土地及合法建築物所有權人同意者,得以協議合建或其他方式實施之。
以區段徵收方式實施都市更新事業時,抵價地總面積占徵收總面積之比率,由主管機關考量實際情形定之。

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