Act Governing Food Safety and Sanitation Article 5

The competent authority at all levels shall establish a food sanitation and safety monitoring system based on scientific evidence. Upon discovery of incidents that may pose a risk to food sanitation and safety during monitoring, an active inspection shall be conducted and an early warning shall be issued or other necessary measures shall be implemented.The active inspection, issuance of early warning, or implementation of necessary measures referred to in the preceding paragraph which will be done by the competent authority shall include conducting sampling and analysis, investigating the source of raw materials and the flow of the product, publishing analysis results, disclosing other relevant information and ordering food business operators to conduct self-analysis.
中文原文 食品安全衛生管理法第5條
各級主管機關依科學實證,建立食品衛生安全監測體系,於監測發現有危害食品衛生安全之虞之事件發生時,應主動查驗,並發布預警或採行必要管制措施。
前項主動查驗、發布預警或採行必要管制措施,包含主管機關應抽樣檢驗、追查原料來源、產品流向、公布檢驗結果及揭露資訊,並令食品業者自主檢驗。

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