Board may secure directly from any Federal agency information necessary to enable the Board to carry out its duties. Upon request of the chairperson, the head of the agency shall furnish such information to the Board to the extent such information is not prohibited from disclosure by law. (b) Mails The Board may use the United States mails in the same manner and under the same conditions as other Federal agencies. (c) Administrative support services Upon the request of the chairperson of the Board, the Administrator of General Services shall provide to the Board, on a reimbursable basis, the administrative support services necessary for the Board to carry out its duties. (d) Contract authority The Board may contract with and compensate government and private agencies or persons for the purpose of conducting research, surveys, and other services necessary to enable the Board to carry out its duties. (e) Investigations The Board may make such investigations as it considers necessary to determine whether there is or may be a violation of any regulation promulgated under this Act and may require or permit any person to file with it a statement in writing, under oath or otherwise as the Board shall determine, as to all the facts and circumstances concerning the matter to be investigated. (f) Subpoena power (1) In general The Board may issue subpoenas requiring the attendance and testimony of witnesses and the production of any evidence relating to any matter under investigation by the Board. The attendance of witnesses and the production of evidence may be required from any place within the United States at any designated place of hearing within the United States. (2) Failure to obey a subpoena If a person refuses to obey a subpoena issued under paragraph (1), the Board may apply to a United States district court for an order requiring that person to appear before the Board to give testimony, produce evidence, or both, relating to the matter under investigation. The application may be made within the judicial