Constitutional Court Procedure Act Article 23

(Access to the Court Documents)Parties, advocates, and defense counsels may apply for reading, transcribing, photocopying, or photographing the documents included in the dossier, or request a duplicate copy thereof with fees paid in advance.A third party may lodge the application referred to in the preceding Paragraph either with the parties' consent, or by a substantial preliminary showing of her or him being an legal interested person.The applications set out in the preceding two Paragraphs shall be approved by an order of the respective Chamber.The Judicial Yuan shall make the rules governing the access to the Court documents and its fee schedule.
中文原文 憲法訴訟法第23條
當事人、訴訟代理人及辯護人得聲請閱覽、抄錄、影印或攝影卷內文書,或預納費用請求付與複本。
第三人經當事人同意或釋明有法律上之利害關係者,亦得為前項之聲請。
前二項聲請,應經審查庭裁定許可。
閱卷規則及收費標準,由司法院定之。

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