Code of Civil Procedure Article 475
The court of third instance shall, within the scope of the demand made by the appeal, conduct an investigation based on the reasons for the appeal, except for matters which the court should investigate on its own initiative or in cases where an investigation is necessary for ensuring coherence in the interpretation of laws and regulations.
中文原文 民事訴訟法第475條
第三審法院應於上訴聲明之範圍內，依上訴理由調查之。
但法院應依職權調查之事項，或有統一法令見解之必要者，不在此限。
但法院應依職權調查之事項，或有統一法令見解之必要者，不在此限。