Constitutional Court Procedure Act Article 8
(Advocates) Parties may appoint attorneys as their advocates. For oral argument sessions, the parties must appoint attorneys as their advocates except in cases where(1) the parties, their representatives, or their statutory agents have the qualifications of judges, attorneys, or advocates as provided for by Paragraph 3, Subparagraph 1;(2) the respondents are those referred to in Article 6, Paragraph 2; or(3) the impeached has appointed defense counsels.Each party shall appoint not more than three advocates.A person who is not an attorney may act as an advocate if she or he holds one of the positions below:(1) professor, associate professor or assistant professor of law; or(2) the legal officer of a party which is a legal person under public law, an authority, or an unincorporated association under public law.Appointment of persons who are not attorneys as set out in the preceding Paragraph as advocates requires the permission of the presiding Justice of the Constitutional Court.In cases set out in Paragraph 1, Subparagraph 1, qualification certificates must be produced; in cases where attorneys are appointed as the advocates, the powers of attorney and the appointees' qualification certificates must be produced.An advocate may not appoint a sub-agent.
中文原文 憲法訴訟法第8條
當事人得委任律師為訴訟代理人；除有下列情形之一者外，言詞辯論期日，應委任律師為訴訟代理人：
一、當事人或其代表人、法定代理人具有法官、律師或第三項第一款得為訴訟代理人之資格。
二、第六條第二項所稱相對人。
三、被彈劾人已選任辯護人。
每一當事人委任之訴訟代理人，不得逾三人。
非律師具有下列情形之一者，亦得為訴訟代理人：
一、法學教授、副教授或助理教授。
二、當事人為公法人、機關、公法上之非法人團體時，其所屬辦理法制或法務相關業務之專任人員。
委任前項非律師為訴訟代理人者，應經憲法法庭審判長許可。
第一項第一款情形，應提出資格證明文件；委任訴訟代理人，應提出委任書及受任人之資格證明文件。
訴訟代理人不得委任複代理人。
一、當事人或其代表人、法定代理人具有法官、律師或第三項第一款得為訴訟代理人之資格。
二、第六條第二項所稱相對人。
三、被彈劾人已選任辯護人。
每一當事人委任之訴訟代理人，不得逾三人。
非律師具有下列情形之一者，亦得為訴訟代理人：
一、法學教授、副教授或助理教授。
二、當事人為公法人、機關、公法上之非法人團體時，其所屬辦理法制或法務相關業務之專任人員。
委任前項非律師為訴訟代理人者，應經憲法法庭審判長許可。
第一項第一款情形，應提出資格證明文件；委任訴訟代理人，應提出委任書及受任人之資格證明文件。
訴訟代理人不得委任複代理人。