pursuant to this section, to the extent and in the amounts provided in advance in appropriations Acts: Provided further, That the Secretary of Energy may use funds repurposed, transferred, or otherwise made available pursuant to this section for a commitment only if the full extent of the anticipated costs stemming from that commitment is recorded as an obligation at the time that the commitment is made and only to the extent that up-front obligation is recorded in full at that time: Provided further, That amounts repurposed or transferred pursuant to this section that were previously designated by the Congress as an emergency requirement pursuant to a concurrent resolution on the Budget are designated as an emergency requirement pursuant to section 4001(a)(1) of S. Con. Res. 14 (117th Congress), the concurrent resolution on the budget for fiscal year 2022, and to legislation establishing fiscal year 2024 budget enforcement in the House of Representatives. (b) Amounts may not be repurposed or transferred pursuant to this section until a law is enacted or administrative action is taken to prohibit or limit importation of LEU and HALEU from the Russian Federation or by a Russian entity into the United States. (c) The Nuclear Fuel Security Act of 2023 (section 3131 of the National Defense Authorization Act for Fiscal Year 2024 ( Public Law 118–31 )) is amended— (1) in subsections (f)(1)(B)(i) and (h)(4)(B)(i) to read as follows— (i) may not make commitments under this subsection (including cooperative agreements (used in accordance with section 6305 of title 31, United States Code), purchase agreements, guarantees, leases, service contracts, or any other type of commitment) for the purchase or other acquisition of HALEU or LEU unless funds are specifically provided for those purposes in advance in appropriations Acts enacted after the date of enactment of this Act