Standard&Poor's Ratings Services has affirmed its 'AA+' long-term rating on Maricopa County Industrial Development Authority, Ariz.'s 2001 series A taxable single-family mortgage revenue bonds (mortgage-backed securities program). The outlook is negative reflecting our sovereign rating on the U.S. ('AA+/Negative'). Ginnie Mae mortgage-backed securities and Fannie Mae pass-through certificates secure the bonds. The rating continues to reflect our views of: The sufficiency of revenues from mortgage debt service payments and investment earnings to pay full and timely debt service on the bonds until maturity; The high credit quality of the Ginnie Mae mortgage-backed securities and Fannie Mae pass-through certificates, considered to be 'AA+' eligible; Investments held in InvescoMoney Market Fund (AAAm); and An asset-to-liability ratio of 100.77% as of