UPDATING THE HOOVER DAM DOCUMENTS
<br />(c) Moneys in the fund advanced under subdivision (b) shall be available only for expenditures for construc-
<br />tion and the payment of interest, during construction, upon the amounts so advanced. No expenditures out
<br />of the fund shall be made for operation and maintenance except from appropriations therefor.
<br />(d) The Secretary of the Treasury shall charge the fund as of June 30 in each year with such amount as
<br />may be necessary for the payment of interest on advances made under subdivision (b) at the rate of 4 per
<br />centum per annum accrued during the year upon the amounts so advanced and remaining unpaid, except
<br />that if the fund is insufficient to meet the payment of interest the Secretary of the Treasury may, in his dis-
<br />cretion, defer any part of such payment, and the amount so deferred shall bear interest at the rate of 4 per
<br />centum per annum until paid.
<br />(e) The Secretary of the Interior shall certify to.the Secretary of the Treasury, at the close of each fiscal
<br />year, the amount of money in the fund in excess of the amount necessary for construction, operation, and
<br />maintenance, and payment of interest. Upon receipt of each such certificate the Secretary of the Treasury is
<br />authorized and directed to charge the fund with the amount so certified as repayment of the advances made
<br />under subdivision (b), which amount shall be covered into the Treasury to the credit of miscellaneous
<br />receipts.
<br />SEC. 3. There is hereby authorized to be appropriated from time to. time, out of any money in the Treasury
<br />not otherwise appropriated; such sums of money as may be necessary to carry out the purposes of this Act,
<br />not exceeding in the aggregate $165,.000,000.
<br />SEC. 4. (a) This Act shall not take effect and no authority shall be exercised hereunder and no work shall be
<br />begun and no moneys expended on "or in connection with the works or structures provided for in this Act,
<br />and no water rights shall 6e claimed or initiated hereunder, and no steps shall be taken by the United States or
<br />by others to initiat6'flr perfect any claims to the use of water pertinent to such works or structures unless and
<br />until (1) the States of Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming shall have
<br />ratified the Colorado River compact, mentioned in section 13 hereof, and the President by public proclama-
<br />tion shall have so declared, or (2) if said States fail to ratify the said compact within six months from the date
<br />of the passage of this Act then, until six of said States, including the State of California, shall ratify said com-
<br />pact and shall consent to waive the provisions of the first paragraph of Article XI of said compact, which
<br />makes the same binding and obligatory only when approved by each of the seven States signatory thereto,
<br />and shall have approved said compact without conditions, save that of such six -State approval, and the Presi
<br />dent by public proclamation shall have so declared, and, further, until the State of California, by act of its
<br />legislature, shall agree irrevocably and unconditionally with the United States and for the benefit of the States
<br />of Arizona, Colorado,. Nevada, New Mexico, Utah, and Wyoming, as an express covenant and in considera-
<br />tion of the passage of this Act, that the aggregate annual consumptive use (diversions less returns to the river).
<br />of water of and from the Colorado River for use in the State of California, including all uses under contracts
<br />made under the provisions of this Act and all water necessary for the supply of any rights which may now ex-
<br />ist, shall not exceed four million four hundred thousand acre -feet of the waters apportioned to the lower basin
<br />States by paragraph: (a) of Article III of the Colorado River compact, plus not more than one -half of any ex-
<br />cess or surplus waters unapportioned by said compact, such uses always to be subject to the terms of said
<br />compact.
<br />The States of Arizona, California, and Nevada are authorized to enter into an agreement which shall pro-
<br />vide (1) that of the 7,500,000 acre -feet annually apportioned to the lower basin by paragraph (a) of Article III
<br />of the Colorado River compact, there shall be apportioned to the State of Nevada 300,000 acre -feet and to
<br />the State of Arizona 2,800,000 acre -feet for exclusive beneficial consumptive use in perpetuity, and (2) that
<br />the State of Arizona may annually use one -half of the excess or surplus waters unapportioned by the Col-
<br />orado River compact, and (3) that the State of Arizona shall have the exclusive beneficial consumptive use of
<br />the. Gila River and its tributaries within the boundaries of said State, and (4) that the waters of the Gila River
<br />and its tributaries, except return flow after the same enters the Colorado River, shall never be subject to any
<br />diminution 'whatever by any allowance of water which may be made by treaty or otherwise to the United -
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