; or (ii) by the affirmative vote of a majority of the members of the Commission. (B) Signature Subject to subparagraph (A)(i), subpoenas issued under this subsection may be issued under the signature of the chairman or any member designated by a majority of the Commission, may be served by any person designated by the chairman or by a member designated by a majority of the Commission. (2) Enforcement (A) In general In the case of contumacy or failure to obey a subpoena issued under paragraph (1), 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. (B) Additional enforcement In the case of any failure of any witness to comply with any subpoena or to testify when summoned under authority of this section, the Commission may, by majority vote, certify a statement of fact constituting such failure to the appropriate United States attorney, who may bring the matter before the grand jury for its action, under the same statutory authority and procedures as if the United States attorney had received as certification under sections 102 through 104 of the Revised Statutes of the United States ( 2 U.S.C. 192 through 194). (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 its duties under this Act. (d) Information from federal agencies (1) In general The Commission is authorized to secure directly from any executive department, bureau, agency, board, commission, office, independent establishment, or instrumentality of the Government, information, suggestions, estimates, and statistics for the purposes of this Act. Each department, bureau, agency, board, commission,