A subpoena duces tecum, means a court ordered subpoena. A court ordered subpoena must be answered or you can be held in contempt of court. The answer to such will be different depending on the type of information being requested. It will also depend on the court issuing the subpoena. Depending on the court, you may be able to contact the Clerk of Courts office for help. If they can't provide
. the information, you may need to contact a lawyer.