What Is Subpoena Ad Testificandum?
What Is Subpoena Ad Testificandum? : a writ commanding a person to appear in court to testify as a witness. What is the difference between subpoena duces tecum and subpoena ad testificandum? The subpoena duces tecum is, in all respects, like the ordinary subpoena ad testificandum with the exception that it concludes with an injunction