Citizen Judges Act (Act on Criminal Trials with the participation of Citizen Judge (Guomin Faguan)) Article 48

The court shall designate the date of the preliminary proceedings on which it shall summon the accused as well as notify the prosecutor, the defense attorney and the assistant of the accused to be present at the court.The court may, where it deems necessary, summon or notify the person concerned to be present at court on the date of preliminary proceedings.The preliminary proceedings may only be conducted with the presence of the prosecutor and the defense attorney.The summons or notification of the date of the first preliminary proceedings shall be served fourteen days before the said date at the latest.
中文原文 國民法官法第48條
法院應指定準備程序期日,傳喚被告,並通知檢察官、辯護人及輔佐人到庭。
法院認有必要者,得傳喚或通知訴訟關係人於準備程序期日到庭。
檢察官、辯護人不到庭者,不得行準備程序。
第一次準備程序期日之傳票或通知,至遲應於十四日前送達。

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