; and (vi) give priority to providing loans to qualified consumers that own homes or other real property that pose health risks to the occupants of the property that may be mitigated by energy efficiency measures, as determined by the State or Indian tribe. (B) Revision of list of energy efficiency measures Subject to the approval of the State or Indian tribe, as applicable, an eligible entity may update the list required under subparagraph (A)(i) to account for newly available efficiency technologies. (C) Existing energy efficiency programs An eligible entity that has established an energy efficiency program for qualified consumers before the date of enactment of this section may use an existing list of energy efficiency measures, implementation plan, and measurement and verification system for that program to satisfy the applicable requirements under subparagraph (A), if the State or Indian tribe, as applicable, determines that the list, plan, or system, as applicable, is consistent with the purposes of this section. (5) No interest A loan under this subsection shall bear no interest. (6) Term The term of a loan provided to an eligible entity under paragraph (1) shall not exceed 20 years after the date on which the loan is issued. (7) Advance (A) In general In providing a loan to an eligible entity under paragraph (1), a State or Indian tribe may provide an advance of loan funds on request of the eligible entity. (B) Amount limitation Any advance provided to an eligible entity under subparagraph (A) in any single year shall not exceed 50 percent of the approved loan amount. (C) Repayment The repayment of an advance under subparagraph (A) shall be amortized for a period of not more than 10 years. (8) Special advance for start-up activities (A) In general In providing a loan to an eligible entity under paragraph (1), a State or Indian tribe may provide a special advance on request of the eligible entity for assistance in defraying the start-up costs of the eligible entity, as determined by the State or Indian