Regulations for the Labeling and Safety Data Sheets for Toxic and Concerned Chemical Substances Article 19

The Regulations take effect on January 16, 2020, except for Articles 3 and 12, which take effect on January 16, 2021.The amendments to the Regulations take effect on the date of issue, except for Articles 3 and 4, which take effect on October 31, 2023.
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19條
本辦法除第三條及第十二條,自中華民國一百十年一月十六日施行外,自一百零九年一月十六日施行。
本辦法修正條文,除第三條及第四條自中華民國一百十二年十月三十一日施行外,自發布日施行。

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