Act on Agro-pesticides Management Article 18

The central competent authority may perform safety assessment over the registered agro-pesticides; if an agro-pesticide endangers the human health or pollutes the environment, the central competent authority shall announce restrictions on its usage or its scope of application according to the actual necessity or declare it to be prohibited agro-pesticide and annul the agro-pesticide permit.The central competent authority may perform effect assessment over the use and scope of registered agro-pesticides; if the effect is not obvious and there are no safety problems mentioned in the preceding Paragraph, the central competent authority may make a public notice to restrict the use and scope of application in whole or in part.For the agro-pesticides, the permit of which is annulled or the use and scope of which are restricted as specified in the preceding two Paragraphs, if it is proven by scientific method that the reason for annulment or restriction has been eliminated, the central competent authority may make a public notice to recover the registration or cancel the restriction.
中文原文 農藥管理法第18條
中央主管機關得對已核准登記之農藥進行安全評估,有危害人體健康或污染環境者,應依其必要性公告限制其使用方法、範圍,或公告為禁用農藥及廢止該農藥許可證。
中央主管機關得對已核准登記之農藥之使用方法及範圍進行藥效評估,有藥效不顯著,且無前項安全疑慮者,得公告限制其部分或全部使用方法及範圍。
前二項規定廢止許可證之農藥或限制之使用方法及其範圍,經科學方法證實原廢止或限制原因消失者,得由中央主管機關公告恢復受理登記或取消限制。

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