; (B) stays current on interest and debt payment obligations; (C) to the extent otherwise required by law, pays wages in accordance with subchapter IV of chapter 31 of title 40, United States Code (commonly referred to as the Davis-Bacon Act); (D) if for nuclear power, is funded by the Bank only after all other existing Federal financial support has been expended; (E) if for Alternative fuel vehicles, is for the purchase or lease of eligible vehicles and not the design or manufacture thereof; and (F) satisfies any other conditions established by the Bank and published in the Federal Register. (9) Qualified energy efficiency project The term qualified energy efficiency project means an energy efficiency project, including smart grid technologies and functions characterized in section 1301 of the Energy Independence and Security Act of 2007 and end-use technologies for efficiency gains in new construction and across existing infrastructure that— (A) is an Energy Efficiency Project carried out domestically within the territorial borders of the United States; (B) stays current on interest and debt payment obligations; (C) to the extent otherwise required by law, pays wages in accordance with subchapter IV of chapter 31 of title 40, United States Code (commonly referred to as the Davis-Bacon Act)