Enforcement Rules of the Psychologists’ Act Article 13

When carrying out an inspection or collecting information pursuant to Article 29 of this Act, the competent authority’s officers shall show their identity proof.
中文原文 心理師法施行細則第13條
主管機關人員執行本法第二十九條規定之檢查及資料蒐集時,應出示身分證明文件。

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