Regulations Governing Professional Guides and Foreign Language Tour Guides at Natural and Cultural Ecology Scenic Areas Article 12

The service certificate of a professional guide and foreign language tour guide may be revoked by the competent authority for related matters for the natural or cultural ecology scenic area in any of the following circumstances:1. When a guide seriously violates the times, itinerary or scope of guide services as designated by the competent authority for related matters2. When a guide has not provided tour services for a continuous period of three years and has not undergone in-service training during that period.
中文原文 自然人文生態景觀區專業導覽人員及外語觀光導覽人員管理辦法第12條
專業導覽人員及外語觀光導覽人員有下列情形之一者,自然人文生態景觀區該管目的事業主管機關,得廢止其服務證:
一、違反該管目的事業主管機關排定之導覽時間、旅程及範圍而情節重大者。
二、連續三年未執行導覽工作,且未依規定參加在職訓練者。

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