Regulations for the Labeling and Safety Data Sheets for Toxic and Concerned Chemical Substances Article 13

When toxic and concerned chemical substances are imported or purchased from a customs auction by a controlling agency, the labeling of the containers or packaging and safety data sheets should be completed within four days after gaining possession of the substances.
中文原文 毒性及關注化學物質標示與安全資料表管理辦法第13條
標購海關拍賣或輸入之毒性及關注化學物質,其容器、包裝之標示應自海關提領起四日內完成,並備安全資料表。

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