The Regulation Governing the Handling of Investigation Procedures for Drone Occurrence Article 5

The Investigator-in-Charge may permit the clearance of the scene of a major aviation accident in order to prevent injury to the general public and environmental contamination.
中文原文 遙控無人機重大飛航事故調查作業處理規則第5條
主任調查官對重大飛航事故之現場清理,得因避免一般民眾受到傷害及環境污染發生之必要而同意為之。

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