Regulations Governing the Formulation, Deliberation and Administration of Hot Spring Area Management Plans Article 12

After a hot spring area management plan has been announced and put into effect, it shall be reviewed once every five years, and may not be altered arbitrarily. But where an actual need arises due to force majeure, change in circumstances, the occurrence or concern about the occurrence of a major disaster, or excessive discrepancy between the plan and the current development status of the hot spring area, the city/county (municipal) government with due jurisdiction may revise or abandon the plan as necessary in accordance with the procedure as stipulated in Articles 5, 6 and 11 of these Regulations.
中文原文 溫泉區管理計畫審核及管理辦法第12條
溫泉區管理計畫經公告施行後,每五年檢討一次,不得任意變更。
但因不可抗力、情事變更、有重大災變發生或有發生之虞者或計畫與溫泉區現況發展差距過大時,直轄市、縣(市)政府得視實際需要,依本辦法第五條、第六條及第十一條規定程序辦理必要之修訂或廢棄。

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