S&P Global Ratings assigned its 'AA+/A-1+' dual rating to the Colorado Housing&Finance Authority's (CHFA) single-family mortgage class II adjustable-rate bonds 2023 series F-2, with an expected par amount of $25.15 million. The outlook is stable. Bonds, issued within the single-family mortgage bond (SFMB) program including the 2023 series F-2, are issued by the authority pursuant to a master trust indenture (MTI) dated Oct. 1, 2001, and are special, limited obligations of the authority, payable solely from the revenues, assets, and money pledged under the MTI on a parity basis with all other class II obligations. The series 2023 F-2 bonds are being issued as variable-rate demand obligations and will receive enhancement in the form of a standby-bond purchase