Land Tax Act Article 8

The term "urban land" as used in this Act refers to the land within the scope of urban planning promulgated in accordance with the law. The so-called non-urban land refers to land other than urban land.
中文原文 土地稅法第8條
本法所稱都市土地,指依法發布都市計畫範圍內之土地。
所稱非都市土地,指都市土地以外之土地。

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