S&P Global Ratings affirmed its 'AA+' long-term rating on the Colorado Housing and Finance Authority's (CHFA) federally insured multifamily housing loan program passthrough revenue bonds, series 2013-I. The outlook is stable. The rating reflects our opinion of: The strength of the Federal Housing Administration (FHA) risk-share mortgage loans under the parity resolution, The sovereign rating on the U.S., Sufficient reserves to cover credit shortfalls, Strong oversight of the resolution by CHFA, and An asset-to-liability ratio of 105.39% as of Dec.1, 2016. The rating also reflects our view of the strong quality of the assets and the credit support underlying the issue. Investments in the debt service reserve fund include FHLMC securities with varying maturity. Similarly, assets held in the revenue