In subsec. (b), “section 6101 of title 41” substituted for “section 3709 of the Revised Statutes, as amended” on authority of Pub. L. 111–350, § 6(c), Jan. 4, 2011, 124 Stat. 3854, which Act enacted Title 41, Public Contracts.

Provisions similar to those comprising this section were contained in section 4 of act Aug. 1, 1946, ch. 724, 60 Stat. 759, which was classified to section 1804 of this title, prior to the general amendment and renumbering of act Aug. 1, 1946, by act Aug. 30, 1954.

1992—Subsec. (a). Pub. L. 102–486, § 902(a)(2), substituted “under this division” for “pursuant to under this chapter” in cl. (2) and added cl. (3).

1990—Subsec. (a)(2). Pub. L. 101–575 substituted “under this chapter” for “section 2133 or 2134 of this title”.

1967—Subsec. (b). Pub. L. 90–190 struck out provision requiring the President to determine in writing at least once each year the quantities of special nuclear material to be produced under this section, and to specify in such determination the quantities of special nuclear material to be available for distribution by the Commission pursuant to sections 2073 and 2074 of this title.

References to the United States Enrichment Corporation deemed, as of the privatization date (July 28, 1998), to be references to the private corporation, see section 3116(e) of Pub. L. 104–134, set out as a note under former section 2297 of this title.

Pub. L. 103–316, title III, Aug. 26, 1994, 108 Stat. 1715, provided in part: “That the Secretary of Energy may transfer available amounts appropriated for use by the Department of Energy under title III of previously enacted Energy and Water Development Appropriations Acts [see below] into the Isotope Production and Distribution Program Fund, in order to continue isotope production and distribution activities: Provided further, That the authority to use these amounts appropriated is effective from the date of enactment of this Act [Aug. 26, 1994]: Provided further, That fees set by the Secretary for the sale of isotopes and related services shall hereafter be determined without regard to the provisions of Energy and Water Development Appropriations Act (Public Law 101–101) [see below]: Provided further, That amounts provided for isotope production and distribution in previous Energy and Water Development Appropriations Acts shall be treated as direct appropriations and shall be merged with funds appropriated under this head [Energy Supply, Research and Development Activities].”

Pub. L. 102–377, title III, Oct. 2, 1992, 106 Stat. 1334, provided in part that: “Revenues received hereafter from the disposition of isotopes and related services shall be credited to this account, to be available for carrying out the purposes of the isotope production and distribution program without further appropriation: Provided, That such revenues and all funds provided under this head in Public Law 101–101 [set out below] shall remain available until expended: Provided further, That if at any time the amounts available to the fund are insufficient to enable the Department of Energy to discharge its responsibilities with respect to isotope production and distribution, the Secretary may borrow from amounts available in the Treasury, such sums as are necessary up to a maximum of $5,000,000 to remain available until expended.”

Similar provisions were contained in the following prior appropriation acts:

Pub. L. 102–104, title III, Aug. 17, 1991, 105 Stat. 528.

Pub. L. 101–514, title III, Nov. 5, 1990, 104 Stat. 2090.

Pub. L. 101–101, title III, Sept. 29, 1989, 103 Stat. 659, provided in part that: “For necessary expenses of activities related to the production, distribution, and sale of isotopes and related services, $16,243,000, to remain available until expended: Provided, That this amount and, notwithstanding 31 U.S.C. 3302, revenues received from the disposition of isotopes and related services shall be credited to this account to be available for carrying out these purposes without further appropriation: Provided further, That all unexpended balances of previous appropriations made for the purpose of carrying out activities related to the production, distribution, and sale of isotopes and related services may be transferred to this fund and merged with other balances in the fund and be available under the same conditions and for the same period of time: Provided further, That fees shall be set by the Secretary of Energy in such a manner as to provide full cost recovery, including administrative expenses, depreciation of equipment, accrued leave, and probable losses: Provided further, That all expenses of this activity shall be paid only from funds available in this fund: Provided further, That at any time the Secretary of Energy determines that moneys in the fund exceed the anticipated requirements of the fund, such excess shall be transferred to the general fund of the Treasury.”