Code of Civil Procedure Article 197

A party may object to any violation of the provisions regulating litigation procedure, except where the party waives the right of objection or makes further statements or representations without objecting to the violation.The proviso of the preceding paragraph does not apply when the provision regulating litigation procedure in issue is not provided solely for the interests of the parties.
中文原文 民事訴訟法第197條
當事人對於訴訟程序規定之違背,得提出異議。
但已表示無異議或無異議而就該訴訟有所聲明或陳述者,不在此限。
前項但書規定,於該訴訟程序之規定,非僅為當事人之利益而設者,不適用之。

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