The Enforcement Rules of Disaster Prevention and Protection Act Article 8

The municipal and county/city governments, township/city offices and mountain indigenous districts of special municipalities shall, once in every two (2) years, or whenever required, in pursuant to Paragraph 2 of Article 22, Paragraph 2 of Article 23, Paragraph 2 of Article 27 and Paragraph 2 of Article 37 of the Act, the Disaster Prevention and Protection Plan, regional disaster incidents, and disaster potential characteristics, survey, assess, and review regional disaster prevention and protection plan.
中文原文 災害防救法施行細則第8條
直轄市、縣(市)政府及鄉(鎮、市)、直轄市山地原住民區公所每二年應依本法第二十二條第二項、第二十三條第二項、第二十七條第二項、第三十七條第二項規定、災害防救計畫、地區災害發生狀況、災害潛勢特性等,進行勘查、評估,檢討地區災害防救計畫;必要時,得隨時辦理之。

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