1970—Pub. L. 91–560 extended the power of the Commission to establish guaranteed purchase prices for uranium produced by persons licensed under section 2133 of this title.

1964—Pub. L. 88–489 substituted provisions which directed the Commission to establish guaranteed purchase prices for plutonium produced by a person licensed under section 2134 of this title and delivered to the Commission prior to Jan. 1, 1971, and for uranium enriched in the isotope 233, for such periods of time as it deems necessary, but not exceeding ten years as to any such period, if produced by a person licensed under said section 2134, and delivered within the period of the guarantee, provided that guaranteed prices established under this section shall not exceed the Commission’s estimated value of enriched plutonium or uranium as fuel in reactors, and shall be on a nondiscriminatory basis, and authorized such guaranteed prices only for such enriched plutonium or uranium as is produced through use of material leased or sold pursuant to section 2073 of this title, for provisions requiring the Commission to determine the fair price of special nuclear material by considering the value of the material for its intended use by the United States, and by giving such weight to the cost of production as it found to be equitable, providing that such price was to apply to all licensed producers of the same material, and permitting the Commission to establish guaranteed fair prices for all such material delivered to the Commission for such time as it deemed necessary, but not exceeding seven years.