Urban Planning Act Article 43

The public facilities to be installed, the location and the size of the area shall be determined according to the population, land use, transportation systems, and future development in order to facilitate the daily life activities of the residents and ensure the quality of the living environment.
中文原文 都市計畫法第43條
公共設施用地,應就人口、土地使用、交通等現狀及未來發展趨勢,決定其項目、位置與面積,以增進市民活動之便利,及確保良好之都市生活環境。

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