of Enterprise Assessments to ensure the project is in compliance with nuclear safety requirements. 304. None of the funds made available in this title may be used to approve critical decision-2 or critical decision-3 under Department of Energy Order 413.3B, or any successive departmental guidance, for construction projects where the total project cost exceeds $100,000,000, until a separate independent cost estimate has been developed for the project for that critical decision. 305. Notwithstanding section 161 of the Energy Policy and Conservation Act ( 42 U.S.C. 6241 ), upon a determination by the President in this fiscal year that a regional supply shortage of refined petroleum product of significant scope and duration exists, that a severe increase in the price of refined petroleum product will likely result from such shortage, and that a draw down and sale of refined petroleum product would assist directly and significantly in reducing the adverse impact of such shortage, the Secretary of Energy may draw down and sell refined petroleum product from the Strategic Petroleum Reserve. Proceeds from a sale under this section shall be deposited into the SPR Petroleum Account established in section 167 of the Energy Policy and Conservation Act ( 42 U.S.C. 6247 ), and such amounts shall be available for obligation, without fiscal year limitation, consistent with that section. 306. (a) Of the offsetting collections, including unobligated balances of such collections, in the Department of Energy—Power Marketing Administration—Colorado River Basins Power Marketing Fund, Western Area Power Administration , $21,400,000 shall be transferred to the Department of the Interior—Bureau of Reclamation—Upper Colorado River Basin Fund for the Bureau of Reclamation to carry out environmental stewardship and endangered species recovery efforts. (b) No funds shall be transferred directly from Department of Energy—Power Marketing Administration—Colorado River Basins Power Marketing Fund, Western Area Power Administration to the