Nuclear Waste Financing Act of 2003 - Requires that, beginning in FY 2005, and through the end of FY 2010, the receipts, proceeds, and recoveries realized by the Secretary of Energy relating to contracts for transportation and disposal of high-level radioactive waste and spent nuclear fuel shall be credited to the Nuclear Waste Fund as offsetting collections.
Prescribes implementation procedures, including adjustments to the levels of budgetary resources from offsetting collections and preservation of the corpus of the Fund.