; and (B) in subsection (b)(1)(B), by adding at the end the following: (iv) Costs for international nuclear reactor export and innovation activities described in section 101(a) of the ADVANCE Act of 2023 . . (2) Effective date The amendments made by paragraph (1) shall take effect on October 1, 2024. (d) Savings clause Nothing in this section alters the authority of the Commission to license and regulate the civilian use of radioactive materials. 102. Denial of certain domestic licenses for national security purposes (a) Definition of covered fuel In this section, the term covered fuel means enriched uranium that is fabricated into fuel assemblies for nuclear reactors by an entity that— (1) is owned or controlled by the Government of the Russian Federation or the Government of the People’s Republic of China