证人传票 meaning in English

summons to witness
witness summons

When you arrive at court , report to the prosecutor or his assistant , give them your name and show them your witness summons
到达法庭后，你应向主控官或其助手报到，讲出你的姓名及出示你的证人传票。
In late july , the parties reached agreement that the commissioner of police would apply to withdraw the search warrant against lad and instead apply for a witness summons requiring the attendance of a person from lad to appear at the criminal trial on perverting the course of justice of the former aided person to give evidence and to produce documents relevant to the case
七月底，双方达成协议，警务处处长同意撤回针对法援署的搜查令，并申请证人传票要求法援署的有关人员在该前受助人的刑事案件的审讯中有关妨碍司法公正一事出庭作供及呈交与该案有关的文件。