Regulations Governing the Establishment, Supervision and Management of Telecommunications Dispute Resolution Institutions Article 25

For mediation cases, the Institution shall conduct procedural review and then conduct substantive review.For dispute cases meeting the requirements of mediation, the Institution shall notify the telecommunications enterprise in writing, and the enterprise shall state its opinions in writing to the Institution within ten working days, and sent a copy to the applicant. The applicant can submit a supplementary statement of reasons in writing to the Institution within ten working days after receiving such statement.
中文原文 電信消費爭議處理機構設立與監督管理辦法第25條
對於申請調處之案件,爭議處理機構應先為程序上之審查,再為實體上之審查。
符合調處受理條件之爭議案件,爭議處理機構應以書面通知電信事業,於十個工作日內以書面向爭議處理機構陳述意見,並副知申請人。
申請人於收受該陳述書後十個工作日內,得以書面向爭議處理機構提出補充理由書。

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