(e) In any hearing held to consider the assessment of the civil penalty authorized by this Act the Secretary may issue subpoenas for the attendance and testimony of witnesses and the production of rele- vant papers, books, and documents, and administer oaths. In case of refusal to obey a subpoena served upon any person pursuant to this section, the district court of the United States for any district in which such person is found or resides or transacts business, upon application by the United States and after notice to such person, shall have juris- diction to issue an order requiring such person to appear and give testimony before the Secretary or other appropriate Departmental official, or to appear and produce documents, or both, and any failure to obey such order of the court may be punished by such court as a con- tempt thereof. (f) The civil penalty authorized herein may be assessed, in the Sec- retary's discretion, in addition to, or instead of, any other remedy pro- vided by law, regulation, or contract for violation of this Act or any of the other acts commonly called the Federal Reclamation Laws, or any regulations promulgated pursuant to any of those acts." AUTHORIZATION OF APPROPRIATIONS "Sec. 17. There are hereby authorized to be appropriated, from time to time, out of any money in the Treasury not otherwise appropriated, such sums as are necessary to meet costs and expenses incurred by the United States for the implementation and administration of the pro- visions of this act to whatever extent such actions may relate to func- tions of the office of the Commissioner of Reclamation and properly constituted subordinate offices thereof; provided, that such costs and expenses shall be, to the extent they are assignable to a particular proj- ect or district, reimbursable as construction, operation and mainte- nance, or other costs under the Federal Reclamation laws (Act of June 17, 1902, 32 Stat. 388 (43 U.S.C. 371),) and acts amendatory thereof or supplementary thereto."