Urban Renewal Act Article 74

When executing an urban renewal project according to Article 22 or 23, the implementer shall establish the corresponding urban renewal project plan according to the progress specified in the ratified project summary for approval. If the implementer fails to submit the plan for approval before the deadline specified, the approved project summary shall lose its validity. The competent authority of the municipality and County (city) shall notify the land and legal building owners in the renewal unit, holders of other rights, agencies for registration of restriction requests and holders of the right to registration of caution.If the urban renewal project plan cannot be sent for approval within the given time limit mentioned in the preceding paragraph, an extension can be applied by clearly specifying the reason. Each extension period cannot be more than 6 months; and is limited to two extensions only.
中文原文 都市更新條例第74條
實施者依第二十二條或第二十三條規定實施都市更新事業,應依核准之事業概要所表明之實施進度擬訂都市更新事業計畫報核;逾期未報核者,核准之事業概要失其效力,直轄市、縣(市)主管機關應通知更新單元內土地、合法建築物所有權人、他項權利人、囑託限制登記機關及預告登記請求權人。
因故未能於前項期限內擬訂都市更新事業計畫報核者,得敘明理由申請展期;展期之期間每次不得超過六個月,並以二次為限。

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