This memorandum focuses on the nuclear cooperation between the United States and Iran. It outlines that the U.S. will take the following actions: " Permit U.S. material to be fabricated into fuel in Iran for use in its own reactors and for pass-through to third countries with whom we have Agreements.  Agree to set the fuel ceiling at a level reflecting the approximate number of nuclear reactors planned for purchase from U.S. suppliers. We would, as a fallback, be prepared to increase the ceiling to cover Iran's full nuclear requirement under the proviso that the fuel represents Iran's entitlement from their proposed investment in an enrichment facility in the U.S. Any additional entitlement could be disposed of by Iran without importing the material into that country through sales from the United States to appropriate third countries with whom the U.S. has bilateral Agreements for Cooperation. [...]"
National Security Decision Memorandum 292
National Security Archive: http://www.nsarchive.gwu.edu/