Urban Renewal Act Article 38

When an urban renewal area is demarcated or changed according to Article 7 or Subparagraphs 2 and 3, Paragraph 1 of Article 4, and some of the buildings on jointly owned land or some of the buildings on the same building base undergo reconstruction, renovation, or maintenance, the ratio of consent may be calculated according to the number of owners of the buildings to undergo reconstruction, renovation or maintenance, the ownerships and the part of building base owned without changing the unit ownerships of the unit owners of other buildings and the part of the building base they own.
中文原文 都市更新條例第38條
依第七條規定劃定或變更之都市更新地區或依第四條第一項第二款、第三款方式處理者,其共有土地或同一建築基地上有數幢或數棟建築物,其中部分建築物辦理重建、整建或維護時,得在不變更其他幢或棟建築物區分所有權人之區分所有權及其基地所有權應有部分之情形下,以辦理重建、整建或維護之各該幢或棟建築物所有權人人數、所有權及其基地所有權應有部分為計算基礎,分別計算其同意之比率。

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