any person that is designated by the Secretary concerned and that has the power to administer oaths, and compel testimony and the production of evidence in the same manner as authorized under paragraph (3) of this subsection. (5) Pay witnesses the same fees and mileage as are paid in like circumstances in the courts of the United States. (c) Enforcement (1) In general In cases of refusal to obey a subpoena served upon any person under this section, the United States district courts for any district in which such person is found, resides, or transacts business, upon application by the Attorney General at the request of the Secretary concerned and after notice to such person, shall have jurisdiction to issue an order requiring such person to appear and produce documents before the Secretary concerned. (2) Failure to obey Any failure to obey an order issued under paragraph (1) may be punished by the court that issued such order as contempt thereof and the person subject to such order shall be subject to a penalty of not more than $10,000 per day. (d) Entry and access Without advance notice and upon presentation of appropriate credentials, the Secretary concerned— (1) shall have the right of entry to, upon, and through the site of any claim, license, lease, mineral activities, or any premises in which any records required to be maintained under this Act are located