A subpoena is a legal document that orders someone to appear in court or provide certain documents or evidence. It is usually issued by a court or a lawyer and must be obeyed. Full definition
In late July, the New York Times released a lengthy story that alleged the governor's top aides tried to stop Moreland commissioners from issuing subpoenas of Cuomo donors in corruption probes. (wamc.org)
MySpace requires personal service of subpoenas in civil matters. (lawyerist.com)
«I assume Facebook's been served with subpoenas from the Special Counsel Mueller's office,» Vermont Sen. Patrick Leahy asked Zuckerberg. (fortune.com)