Public Nuisance Dispute Mediation Act Enforcement Rules Article 19

A mediation committee may investigate evidence pursuant to its authority without being restricted by evidence submitted by a party to the dispute or a party's request for investigation of evidence.
中文原文 公害糾紛處理法施行細則第19條
調處委員會得依職權調查證據,不受當事人提出之證據及請求調查證據之拘束。

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