Regulations Governing the Safe Transport of Dangerous Goods by Air Article 21

The owner or operator of an aircraft shall ensure that information is promulgated in such a manner that passengers are warned as to the types of dangerous goods which they are forbidden from checking in or carrying on board an aircraft, and shall request passengers to confirm that they do not check in or carry on board any such dangerous goods.The owner or operator of an aircraft, and air freight forwarder shall ensure that information is promulgated in such a manner that the shippers are warned as to the types of dangerous goods that are forbidden from transporting by air; if it is found that the identification, packing, labeling or transport document of the goods may involve any such dangerous goods, they shall not accept such dangerous goods for transport by air until the shippers confirm that no dangerous goods are contained.
中文原文 危險物品空運管理辦法第21條
航空器所有人或使用人應對乘客提示禁止託運或攜帶進入航空器之危險物品資訊,並應請乘客確認未託運或攜帶禁止之危險物品進入航空器。
航空器所有人或使用人、航空貨運承攬業於收運貨物時,應對託運人提示空運危險物品之資訊;發現收運貨物之識別、封裝、標示或運送文件之資訊,有涉及危險物品之虞時,應請託運人確認未含危險物品後,始得收運。

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