Code of Civil Procedure Article 205

The court may order arguments to be held jointly where the claims in multiple actions are initiated separately but are related or could be asserted in a single action.Arguments of several actions that have been ordered to be held jointly may be decided jointly.An action initiated in accordance with the provision of Article 54 shall be jointly argued and decided with the original action, except where the court considers it unnecessary or considers that the provision of Article 184 shall apply.
中文原文 民事訴訟法第205條
分別提起之數宗訴訟,其訴訟標的相牽連或得以一訴主張者,法院得命合併辯論。
命合併辯論之數宗訴訟,得合併裁判。
第五十四條所定之訴訟,應與本訴訟合併辯論及裁判之。
但法院認為無合併之必要或應適用第一百八十四條之規定者,不在此限。

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