Code of Civil Procedure Article 134

Except as otherwise notified by the party or the agent, where an agent of service has been appointed and such appointment has been notified to the court, such appointment shall take effect with regard to the courts of all instances within the same geographic boundaries.
中文原文 民事訴訟法第134條
送達代收人,經指定陳明後,其效力及於同地之各級法院。
但該當事人或代理人別有陳明者,不在此限。

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