To amend the Atomic Energy Act of 1954 to require congressional approval of agreements for peaceful nuclear cooperation with foreign countries, and for other purposes.

[AI summary unavailable — showing source text] Amends the Atomic Energy Act of 1954 to include as requirements to be met by a cooperating party to an agreement for peaceful nuclear cooperation (section 123 agreement) in order to secure congressional approval of the agreement: (1) limited access to facilities, equipment, or materials by third country nationals; (2) prohibition of enrichment or reprocessing facilities; (3) implementation of chemical and biological production and stockpiling conventions; (4) implementation of an export control system; and (5) cooperation with the United States in preventing state sponsors of terrorism from acquiring or developing chemical, biological, or nuclear weapons or destabilizing numbers and types of advanced conventional weapons. Requires a joint congressional resolution of approval to a subsequent arrangement to a section 123 agreement. (Under current law such an agreement becomes effective unless Congress disapproves it within a specified time period.) Prohibits assistance, other than humanitarian assistance, from being provided to a country that withdraws from the Treaty on the Non-Proliferation of Nuclear Weapons. Directs the United States to seek the return of transferred material, eq…