The Hualien-Taitung Area Development Act Article 7

To maintain and enhance urban and rural landscapes that possess the special features of the Hualien-Taitung area, the county competent authorities may formulate architecture and landscape control and reward measures, to comprehensively enhance the architectural esthetics and cultural features of the area.
中文原文 花東地區發展條例第7條
為維護及營造具花東地區特色之城鄉景觀,縣主管機關得擬訂建築景觀管制及獎勵措施,整體提升地區建築美感及文化特色。

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