Urban Planning Act Article 26
No unauthorized changes shall be made to any urban plan that has been announced and implemented. However, the agency formulating the plan shall review the plan comprehensively once every three or five years and make necessary modifications according to the developments while also taking suggestions from the public into consideration. Land reserved for public facilities that are deemed unnecessary shall be used for other purposes.The Ministry of the Interior shall stipulate the regulations regarding the comprehensive review of urban plans as described in the preceding paragraph, the operating procedure, and the reviewing criteria.
中文原文 都市計畫法第26條
都市計畫經發布實施後，不得隨時任意變更。
但擬定計畫之機關每三年內或五年內至少應通盤檢討一次，依據發展情況，並參考人民建議作必要之變更。
對於非必要之公共設施用地，應變更其使用。
前項都市計畫定期通盤檢討之辦理機關、作業方法及檢討基準等事項之實施辦法，由內政部定之。
但擬定計畫之機關每三年內或五年內至少應通盤檢討一次，依據發展情況，並參考人民建議作必要之變更。
對於非必要之公共設施用地，應變更其使用。
前項都市計畫定期通盤檢討之辦理機關、作業方法及檢討基準等事項之實施辦法，由內政部定之。