§ 3521

As used in this subchapter: (1) 'State' includes any territory of the United States and District of Columbia. (2) 'Summons' includes a subpoena, order or other notice requiring the appearance of a witness. (3) 'Witness' includes a person whose testimony is desired in any proceeding or investigation by a grand jury or in any criminal proceeding.41 Del. Laws, c. 214, § 1; 11 Del. C. 1953, § 3521;