Energy Saving debenture
(18) the term “Energy Saving debenture” means a deferred interest debenture that— (A) is issued at a discount; (B) has a 5-year maturity or a 10-year maturity; (C) requires no interest payment or annual charge for the first 5 years; (D) is restricted to Energy Saving qualified investments; and (E) is issued at no cost (as defined in section 661a of title 2) with respect to purchasing and guaranteeing the debenture;