Fireworks Management Act Article 21

The local competent authority may dispatch personnel to the premises of fireworks production, storage, or sales for the inspection of safety facilities, records, and other necessary figures. The examinees shall not evade, interfere or refuse the inspection. Inspectors may additionally pose questions to the person in charge or related employees and request them for further information.Inspectors in the above section shall display voluntarily the documents concerning the performance of their duty and their identification information at all times while conducting the inspection, and may not obstruct the normal course of operations of the premises.In the case of illegal manufacturing, storage, or the sale of fireworks, with evidence proving that there is the risk of jeopardizing public safety, the local competent authority may dispatch personnel to the violating industry for inspection or shutdown the operation.The local competent authority may request support from police agencies for the inspection or shutdown operation referred to in the first and the above section of this Article.
中文原文 爆竹煙火管理條例第21條
直轄市、縣(市)主管機關得派員進入爆竹煙火製造、儲存或販賣場所,就其安全防護設施、相關資料及其他必要之物件實施檢查,被檢查者不得規避、妨礙或拒絕,並得詢問負責人與相關人員,及要求提供相關資料。
前項規定之檢查人員於執行檢查職務時,應主動出示有關執行職務之證明文件或顯示足資辨別之標誌,並不得妨礙該場所正常業務之進行。
對於非法製造、儲存或販賣爆竹煙火之場所,有具體事實足認為有危害公共安全之虞者,直轄市、縣(市)主管機關得派員進入執行檢查或取締。
直轄市、縣(市)主管機關執行第一項及前項所定檢查及取締,必要時,得商請轄區內警察機關協助之。

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