Code of Civil Procedure Article 413
For purposes of clarifying the relationships and the issues in dispute, the parties or persons who have the relevant special knowledge/experience or who know the whole story about the subject matter, or other interested persons may be heard, and an on-site inspection or inspection of the object of mediation may be conducted during the mediation process. The judge may take evidence where necessary.
中文原文 民事訴訟法第413條
行調解時，為審究事件關係及兩造爭議之所在，得聽取當事人、具有專門知識經驗或知悉事件始末之人或其他關係人之陳述，察看現場或調解標的物之狀況；於必要時，得由法官調查證據。