A multiyear contract between United States Enrichment Corporation, a wholly owned subsidiary of USEC Inc., and Russian firm Techsnabexport (Tenex) for the supply of low-enriched uranium (LEU) took effect on December 21, 2011, following the completion of administrative arrangements under a U.S.-Russia nuclear cooperation agreement (the U.S.-Russia 123 Agreement). The contract, which covers supplies from 2013 through 2022, was signed on March 23, 2011 (NN, May 2011, p. 72).
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