Enforcement Rules for Organic Agriculture Promotion Act Article 6

The personnel sent by the Central Competent Authority to conduct examination prescribed in paragraph 4 of Article 11 and paragraph 4 of Article 12 of the Act shall present proof documents concerning the performance of their duties.
中文原文 有機農業促進法施行細則第6條
中央主管機關派員執行本法第十一條第四項及第十二條第四項所定查核時,其人員應出示有關執行職務之證明文件。

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