A Subpoena Duces Tecum Is Different from an Ordinary Subpoena

A subpoena duces tecum is different from an ordinary subpoena in that a subpoena duces tecum

A) can only be given to an expert to require a personal appearance before a court or administrative hearing.
B) is binding on a person even if it is mailed to the person rather than handed to her by a process server.
C) allows for privileged or confidential information to be turned over to a court or administrative agency.
D) requires the person to bring specified documents to the court or administrative hearing.