There is authorized to be appropriated to the Commission, in accordance with the provisions of section 2017(a)(2) of this title, the sum of $3,000,000 as an initial authorization for fiscal year 1959 for use in a cooperative program of research and development in connection with the types of reactors selected by the Commission and the Community under the joint program. The Commission may enter into contracts for such periods as it deems necessary, but in no event to exceed five years, for the purpose of conducting the research and development program authorized by this section: Provided, That the Community authorizes an equivalent amount for use in the cooperative program of research and development.

Pursuant to the provisions of section 2074 of this title, there is hereby authorized for sale or lease to the Community—

an amount of contained uranium 235 which does not exceed that necessary to support the fuel cycle of power reactors located within the Community having a total installed capacity of thirty-five thousand megawatts of electric energy, together with twenty-five thousand kilograms of contained uranium 235 for other purposes;

one thousand five hundred kilograms of plutonium; and

thirty kilograms of uranium 233;

in accordance with the provisions of an agreement or agreements for cooperation between the Government of the United States and the Community entered into pursuant to the provisions of section 2153 of this title: Provided, That the Government of the United States obtains the equivalent of a first lien on any such material sold to the Community for which payment is not made in full at the time of transfer. The Commission may enter into contracts to provide, after December 31, 1968, for the producing or enriching of all, or part of, the above-mentioned contained uranium 235 pursuant to the provisions of section 2201(v)(B) of this title in lieu of sale or lease thereof.

The Government of the United States of America shall not be liable for any damages or third party liability arising out of or resulting from the joint program: Provided, however, That nothing in this section shall deprive any person of any rights under section 2210 of this title: And provided further, That nothing in this section shall apply to arrangements made by the Commission under a research and development program authorized in section 2292 of this title. The Government of the United States shall take such steps as may be necessary, including appropriate disclaimer or indemnity arrangements, in order to carry out the provisions of this section.