Under normal circumstances, the trial can be postponed under the following circumstances, and corresponding certificates need to be issued: 1. If the party who should appear in court is unable to appear in court due to serious illness, it is necessary to submit a diagnosis certificate issued by the hospital; 2. If the party who should appear in court cannot appear in court on the day of court hearing due to special tasks, the special tasks generally refer to the criminal investigation tasks performed by public security organs or the police tasks performed by the army. If other reasons do not belong to the special tasks in this item, the certification documents of the unit where the party belongs shall be provided; 3. If a conflict arises because other cases have decided on the time of court hearing before the notice of court hearing in this case is served, the party who should appear in court shall provide a summons or notice of court hearing issued by other people's courts; 4. If the party who should appear in court is unable to appear in court for other special reasons, including the person who needs to be raised suffering from serious illness or landslide on the way to the court, a certificate issued by the relevant department shall be issued; In case of the above four situations, it shall be submitted to the court three days before the court session, and the people's court shall decide whether to postpone the trial. Only when the plaintiff fails to appear in court twice without justifiable reasons can the plaintiff decide to withdraw the lawsuit. Legal basis
Article 149 of the Civil Procedure Law of People's Republic of China (PRC) has one of the following circumstances, and the trial can be postponed:
(1) The parties who have to appear in court and other participants in the proceedings do not appear in court for justified reasons;
(2) the party temporarily applies for withdrawal;
(3) it is necessary to notify new witnesses to appear in court, obtain new evidence, re-authenticate, conduct an inquest or make supplementary investigations;
(4) other circumstances that should be postponed.
article 86 of the civil procedure law, if a party delays the time limit due to irresistible reasons or other legitimate reasons, he may apply for an extension of the time limit within 1 days after the obstacle is removed, and the people's court shall decide whether to grant it or not.