; and (B) require, by subpoena or otherwise, the attendance and testimony of such witnesses and the production of such books, records, correspondence, memoranda, papers, and documents, as the Commission or such designated subcommittee or designated member may determine advisable. (2) Subpoenas (A) Issuance Subpoenas issued under paragraph (1)(B) may be issued under the signature of the chairperson of the Commission, the chairperson of any subcommittee created by a majority of the Commission, or any member designated by a majority of the Commission, and may be served by any person designated by the chairperson, subcommittee chairperson, or member. (B) Enforcement (i) In general In the case of contumacy or failure to obey a subpoena issued under paragraph (1)(B), the United States district court for the judicial district in which the subpoenaed person resides, is served, or may be found, or where the subpoena is returnable, may issue an order requiring such person to appear at any designated place to testify or to produce documentary or other evidence. Any failure to obey the order of the court may be punished by the court as a contempt of that court. (ii) Additional enforcement Sections 102 through 104 of the Revised Statutes of the United States ( 2 U.S.C. 192 through 194) shall apply in the case of any failure of any witness to comply with any subpoena or to testify when summoned under authority of this section. (b) Closed meetings (1) In general Meetings of the Commission may be closed to the public under section 10(d) of the Federal Advisory Committee Act (5 U.S.C. App.) or other applicable law. (c) Contracting The Commission may, to such extent and in such amounts as are provided in appropriation Acts, enter into contracts to enable the Commission to discharge the duties of the Commission under this Act. (d) Information from Federal agencies The Commission is authorized to secure directly from any executive department, bureau, agency, board, commission, office, independent establishment, or instrumentality of