Spatial Planning Act Article 15
After the National spatial plan has been announced, the competent authorities of municipality or county (city) government shall draw up or revise their spatial plan within the period that has been specified by the central competent authority. However, municipalities or counties (cities) government that had already announced the implementation of urban plans or national park plans for all their administrative districts may be excluded.The central competent authority may apply Articles 11 to 13 mutatis mutandis and draw up or revise the municipality or county (city) spatial plans for municipalities and counties (cities) that fail to comply with the regulations set forth in the preceding paragraph.After the implementation of the National spatial plan has been announced, the central competent authority shall revise it every ten years .After the implementation of the municipality or county (city) spatial plan has been announced, the municipality or county (city) competent authority shall revise it every five years. However, under any of the following conditions, the plan may be revised as soon as possible.1.Damage has occurred as a result of war, an earthquake, a flood, a storm, a fire or any other critical incident.2.The conservation of resources or prevention of a major disaster is deemed necessary.3.National defense or important public facilities or a public utility project is deemed necessary.4.The National spatial plan and the establishment or revision of its contents concerning a metropolitan area or a specific area is deemed necessary.5.The plan is a municipality or county (city) spatial plan and adjustments are deemed necessary to accommodate the National spatial plan.The revision of a plan, as described in Subparagraphs 1, 2 and 3 of the preceding paragraph, and related procedures may be simplified. The central competent authority shall establish regulations regarding such simplification.
中文原文 國土計畫法第15條
全國國土計畫公告實施後，直轄市、縣（市）主管機關應依中央主管機關規定期限，辦理直轄市、縣（市）國土計畫之擬訂或變更。
但其全部行政轄區均已發布實施都市計畫或國家公園計畫者，得免擬訂直轄市、縣（市）國土計畫。
直轄市、縣（市）主管機關未依前項規定期限辦理直轄市、縣（市）國土計畫之擬訂或變更者，中央主管機關得逕為擬訂或變更，並準用第十一條至第十三條規定程序辦理。
國土計畫公告實施後，擬訂計畫之機關應視實際發展情況，全國國土計畫每十年通盤檢討一次，直轄市、縣（市）國土計畫每五年通盤檢討一次，並作必要之變更。
但有下列情事之一者，得適時檢討變更之：
一、因戰爭、地震、水災、風災、火災或其他重大事變遭受損壞。
二、為加強資源保育或避免重大災害之發生。
三、政府興辦國防、重大之公共設施或公用事業計畫。
四、其屬全國國土計畫者，為擬訂、變更都會區域或特定區域之計畫內容。
五、其屬直轄市、縣（市）國土計畫者，為配合全國國土計畫之指示事項。
前項第一款、第二款及第三款適時檢討變更之計畫內容及辦理程序得予以簡化；其簡化之辦法，由中央主管機關定之。
但其全部行政轄區均已發布實施都市計畫或國家公園計畫者，得免擬訂直轄市、縣（市）國土計畫。
直轄市、縣（市）主管機關未依前項規定期限辦理直轄市、縣（市）國土計畫之擬訂或變更者，中央主管機關得逕為擬訂或變更，並準用第十一條至第十三條規定程序辦理。
國土計畫公告實施後，擬訂計畫之機關應視實際發展情況，全國國土計畫每十年通盤檢討一次，直轄市、縣（市）國土計畫每五年通盤檢討一次，並作必要之變更。
但有下列情事之一者，得適時檢討變更之：
一、因戰爭、地震、水災、風災、火災或其他重大事變遭受損壞。
二、為加強資源保育或避免重大災害之發生。
三、政府興辦國防、重大之公共設施或公用事業計畫。
四、其屬全國國土計畫者，為擬訂、變更都會區域或特定區域之計畫內容。
五、其屬直轄市、縣（市）國土計畫者，為配合全國國土計畫之指示事項。
前項第一款、第二款及第三款適時檢討變更之計畫內容及辦理程序得予以簡化；其簡化之辦法，由中央主管機關定之。