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1.
A Subpoena actually or correctly is an order of a court which requires a person to be present at a certain time and place or suffer a penalty (subpoena means, literally, "under penalty"). This is the tool used by Court to ensure that witnesses present themselves at a given place, date and time to make themselves available to testify.
Subpoena to be present for a deposition at the Court or more practically, in one of the attorneys offices.
by DUHAIME July 06, 2005