Toxic and Concerned Chemical Substances Transportation Management Regulations Article 15

Where the declaration cannot be amended due to natural disasters or other force majeure, an amendment must be applied for within the next three working days after the event.If the transport manifest has been approved but transport is not conducted, the owner of the toxic or hazardous concerned chemical substances shall report to the municipality or county (city) competent authority of the place of departure prior to the tenth day of the month to file the cancellation of the previous month’s transport forms; in case of failure to cancel within the time limit, the owner shall be notified by the municipality or county (city) competent authority of the place of departure to file the cancellation of the transport manifest within ten days.
中文原文 毒性及關注化學物質運送管理辦法第15條
因天災或其他不可抗力情事,致無法變更申報者,得於其原因消滅後翌日起三個工作日內,申請變更。
運送表單經核准後未運送者,毒性或具危害性關注化學物質之所有人應於每月十日前,向起運地之直轄市、縣(市)主管機關申報取消前一個月之運送表單;逾期未取消者,由起運地之直轄市、縣(市)主管機關通知所有人十日內申報取消運送表單。

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