S&P Global Ratings assigned its 'AAA' long-term rating to the Iowa Finance Authority's (IFA) 2022 series G and I single-family mortgage bonds (social bonds) (mortgage-backed securities, or MBS, program). At the same time, S&P Global Ratings affirmed its 'AAA' long-term rating and 'AAA/A-1+' rating on debt outstanding under the authority's MBS program. The outlook is stable. The authority will use the 2022 series G and I bond proceeds, totaling approximately $76.9 million, to acquire Government National Mortgage Assn. (Ginnie Mae), Federal National Mortgage Assn. (Fannie Mae), or Federal Home Loan Mortgage Corp. (Freddie Mac)-guaranteed MBS, backed by pools of mortgage loans that have been, or are expected to be, made by participating lenders to qualified persons to finance single-family residential