Toxic and Concerned Chemical Substances Transportation Management Regulations Article 13

Where the name, material content or quantity of received toxic or hazardous concerned chemical substances are different from the transport manifest information, the consignee shall, within three working days from the next day of receipt of the goods, report it to the municipality or county (city) competent authority where the transportation is destined.
中文原文 毒性及關注化學物質運送管理辦法第13條
受貨人收受之毒性或具危害性關注化學物質其名稱、成分含量或數量,與運送表單所載內容不符者,受貨人應於收貨翌日起三個工作日內,向迄運地直轄市、縣(市)主管機關申報。

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