The previous installment of "The company's guide to responding effectively to a federal grand jury subpoena" outlined the basic steps a company must take to effectively respond to a subpoena duces tecum (a subpoena for documents). In addition to the subpoena duces tecum, a subpoena ad testificandum (a subpoena for testimony) which "command[s] [a] witness to attend and testify at the time and place the subpoena specifies," is another powerful evidentiary tool utilized by a federal grand jury to elicit testimony and to aid federal prosecutors in determining whether a company is criminally liable.  Part 2 discusses how to respond to a subpoena ad testificandum.

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