; or (ii) an affirmative vote of the majority of members present and voting. (C) Failure to obey a Subpoena If a person refuses to obey a subpoena issued under subparagraph (A), the Commission may apply to a United States district court for an order requiring that person to appear before the Commission to give testimony, produce evidence, or both, relating to the matter under investigation. The application may be made within the judicial district where the hearing is conducted or where that person is found, resides, or transacts business. Any failure to obey the order of the court may be punished by the court as civil contempt. (D) Service of subpoenas The subpoenas of the Commission shall be served in the manner provided for subpoenas issued by a United States district court under the Federal Rules of Civil Procedure for the United States district courts. (E) Service of process All process of any court to which application is made under paragraph (2) may be served in the judicial district in which the person required to be served resides or may be found. (8) Immunity The Commission is an agency of the United States for the purpose of part V of title 18, United States Code (relating to immunity of witnesses). (9) Contract Authority The Commission may contract with and compensate government and private agencies or persons for goods and other services. (d) Membership (1) Number and appointment The Commission shall be composed of 12 members, of whom— (A) three members shall be appointed by the majority leader of the House of Representatives; (B) three members shall be appointed by the minority leader of the House of Representatives; (C) three members shall be appointed by the majority leader of the Senate