All receipts from transmission and sale of electric energy generated at the Fort Peck project shall be covered into the Treasury of the United States to the credit of miscellaneous receipts, save and except that the Treasury shall set up and maintain from such receipts a continuing fund of $500,000, to the credit of the Bureau and subject to expenditure by it, to defray the operating expense of generation and transmission of power delivered to the Bureau for disposal under this chapter, to defray emergency expenses and to insure continuous operation. There is authorized to be appropriated from time to time, out of moneys in the Treasury not otherwise appropriated, such sums as may be necessary to carry out the provisions of this chapter, including installation of equipment and machinery for the generation of electric energy, and facilities for its transmission and sale. (May 18, 1938, ch. 250, § 10, 52 Stat. 406 .) Statutory Notes and Related Subsidiaries Transfer of Functions Power marketing functions of Bureau of Reclamation , including construction, operation, and maintenance of transmission lines and attendant facilities, transferred to Secretary of Energy by section 7152(a)(1)(E), (3) of Title 42, The Public Health and Welfare, and are to be exercised by Secretary through a separate Administration within Department of Energy . Executive Documents Transfer of Functions For transfer of functions of other officers, employees, and agencies of Department of the Interior , with certain exceptions, to Secretary of the Interior, with power to delegate, see Reorg. Plan No. 3 of 1950, §§ 1, 2, eff. May 24, 1950 , 15 F.R. 3174 , 64 Stat. 1262 , set out in the Appendix to Title 5 , Government Organization and Employees.