Regulations for the Mediation of Labor-Management Disputes Article 23
When a mediator or a member of mediation committee deems it as necessary that the parties to the dispute, a person concerned or business entity shall make statements for the purpose of finding the fact, the local competent authority shall in advance notify them in writing.In case that a mediator or an assigned member of mediation committee deems it as necessary to interview a related business entity for the purpose of finding the fact, he/she shall obtain a written permission from the local competent authority in advance, and proactively display the permission when engaging in the interview.In case that a member of mediation committee who is chosen by the parties to labor-management dispute or is designated by the local competent authority in accordance with Paragraph 1 to Article 14 of the Act has the reasons to recuse prescribed in Paragraph 1 to Article 9 of the Regulations, he/she shall not be assigned to conduct the fact-finding.