Land Act Article 91

All the lands in cities and municipalities may, according to the City Planning Act, be demarcated into one area wherein the use of land is subject to restrictions and another area wherein the use of land is free.
中文原文 土地法第91條
城市區域之土地,得依都市計畫法,分別劃定為限制使用區及自由使用區。

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