Enforcement Rules of the Nuclear Materials and Radioactive Waste Management Act Article 19
The operator shall submit a letter of application enclosed with the decommissioning plan to the competent authority according to Paragraph 1 of Article 14 or Paragraph 1 of Article 23 of this Act, when nuclear source material (and)/or nuclear fuel production or storage facility or radioactive waste treatment or storage facility involves one of following circumstances:1.permanent cessation of operation of the facility2.The operator applied for renewing the license of the facility according to the first paragraph according to Paragraph 3 of Article 9 or Paragraph 2 of Article 18 of this Act, failing to get the competent authority approval.3.The facility is determined to be permanent cessation of operation according to Paragraph 2 of Article 14 or Paragraph 4 of Article 23 of this Act.The deadline date of above-mentioned applications is set as follows:1.Subparagraph 1 of the preceding Paragraph 1：An application shall be filed one year prior to permanent cessation of operation of the facility.2.Subparagraph 2 of the preceding Paragraph 2：The operator shall apply for decommissioning according to the first paragraph within 1 year commencing from the next day of receiving the notice of the application failing to be approved by the competent authority.3.Subparagraph 3 of the preceding Paragraph 3：The operator shall apply for decommissioning according to the first paragraph within 1 year commencing from the next day of the determination performed by the competent authority.The competent authority shall finish examination of the application referred to in the first paragraph within 6 months.
中文原文 放射性物料管理法施行細則第19條
核子原料、核子燃料生產或貯存設施、放射性廢棄物處理或貯存設施有下列情形之一者，經營者應依本法第十四條第一項或第二十三條第一項規定填具申請書，並檢附除役計畫，向主管機關申請除役：
一、設施永久停止運轉。
二、經營者依本法第九條第三項或第十八條第二項規定，提出申請換發運轉執照，經主管機關審核未通過。
三、依本法第十四條第二項或第二十三條第四項規定視為永久停止運轉。
前項各款申請期間，規定如下：
一、前項第一款：應於永久停止運轉一年前提出。
二、前項第二款：應自收受主管機關審核未通過通知之次日起一年內提出。
三、前項第三款：應自主管機關認定視為永久停止運轉日之次日起一年內提出。
主管機關對於第一項申請案之審查，其處理期間為六個月。
一、設施永久停止運轉。
二、經營者依本法第九條第三項或第十八條第二項規定，提出申請換發運轉執照，經主管機關審核未通過。
三、依本法第十四條第二項或第二十三條第四項規定視為永久停止運轉。
前項各款申請期間，規定如下：
一、前項第一款：應於永久停止運轉一年前提出。
二、前項第二款：應自收受主管機關審核未通過通知之次日起一年內提出。
三、前項第三款：應自主管機關認定視為永久停止運轉日之次日起一年內提出。
主管機關對於第一項申請案之審查，其處理期間為六個月。