Page:United States Statutes at Large Volume 73.djvu/535

 73

STAT.]

PUBLIC LAW 86-254-SEPT. 10, 1959

Sums appropriated herein which are expended in the performance of reimbursable functions of the Bureau of Reclamation shall be returnable to the extent and in the manner provided by law. No part of any appropriation for the Bureau of Reclamation, contained in this Act or in any prior Act, which represents amounts earned under the terms of a contract but remaining unpaid, shall be obligated for any other purpose, regardless of when such amounts are to be paid: Provided, That the incurring of any obligation prohibited by this paragraph shall be deemed a violation of section 3679 of the Revised Statutes, as amended (31 U.S.C. 665). No funds appropriated to the Bureau of Reclamation for operation and maintenance, except those derived from advances by water users, shall be used for the particular benefit of lands (a) within the boundaries of an irrigation district, (b) of any member of a water users' organization, or (c) of any individual, when such district, organization, or individual is in arrears for more than twelve months in the payment of charges due under a contract entered into with the United States pursuant to laws administered by the Bureau of Reclamation. Not to exceed $225,000 may be expended from the appropriation "Construction and rehabilitation" for work by force account on any one project or Missouri Basin unit and then only when such work is unsuitable for contract or no acceptable bid has been received and, other than otherwise provided in this paragraph or as may be necessary to meet local emergencies, not to exceed 12 per centum of the construction allotment for any project from the appropriation "Construction and rehabilitation" contained in this Act shall be available for construction work by force account. BONNEVILLE POWER ADMINISTRATION CONSTRUCTION

For construction and acquisition of transmission lines, substations, and appurtenant facilities, as authorized by law, $21,450,000, to remain available until expended. OPERATION AND MAINTENANCE

For necessary expenses of operation and maintenance of the Bonneville transmission system and of marketing electric power and energy, $9,993,750. ADMINISTRATIVE PROVISIONS

Appropriations of the Bonneville Power Administration shall be available to carry out all the duties imposed upon the Administrator pursuant to law, including purchase of one aircraft for replacement only. Appropriations made herein to the Bonneville Power Administration shall be available in one fund, except that the appropriation herein made for operation and maintenance shall be available only for the service of the current fiscal year. . Other than as may be necessary to meet local emergencies, not to exceed 12 per centum of the appropriation for construction herein made for the Bonneville Power Administration shall be available for construction work by force account or on a hired-labor basis.

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