Commercial Case Adjudication Act Article 6

Parties, or related parties, of a case shall retain a lawyer as an agent ad litem. However, this rule does not apply, if the parties, related parties, or their legal representatives, are qualified as lawyers.If spouses, relatives within the third degree by blood, or relatives within the second degree by marriage of the parties or related parties, or the parties or related parties, are juridical persons, central or local government agencies, who have full-time personnel qualified to act as attorneys, and who are deemed appropriate by the Commercial Court, then the said personnel may act as agents ad litem, as described in the preceding paragraph. If the parties, or related parties lack the financial means to retain agents ad litem, they may petition the Court to appoint an attorney to be their agents ad litem in accordance with the regulations of litigation aid.
中文原文 商業事件審理法第6條
當事人或關係人應委任律師為程序代理人。
但當事人、關係人或其法定代理人具有律師資格者,不在此限。
當事人或關係人之配偶、三親等內之血親、二親等內之姻親,或當事人、關係人為法人、中央或地方機關時,其所屬專任人員,具有律師資格並經商業法院認為適當者,亦得為前項之程序代理人。
當事人或關係人無資力委任程序代理人者,得依訴訟救助之規定,聲請法院為之選任律師為其程序代理人。

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