subpoena duces tecum

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun law A writ requiring someone to appear in court to give testimony, and to bring something (usually documents) to accompany that testimony.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a writ issued by a court at the request of one of the parties to a suit; it requires a witness to bring to court or to a deposition any relevant documents under the witness's control