The 'AA+/A-1+' rating on Colorado Housing and Finance Authority's multifamily housing revenue bonds, Greentree Village Apartments Project, series 2007 is based on an irrevocable letter of credit provided by U.S. Bank N.A. (AA+/A-1+). The LOC provides coverage for payment of principal of and interest on the bonds, including payment of unremarketed tendered bonds. The initial LOC provides for a maximum of 46 days of interest coverage at 10% annually. The stated expiration date of the LOC is June 1, 2025. Upon expiration date, the rating will be withdrawn unless the LOC is extended pursuant to its terms, or unless an alternate LOC is delivered. Initially, the bonds shall bear interest at the weekly rate. They can be converted to the