ENGLEWOOD (S&P Global Ratings) Feb. 13, 2023--S&P Global Ratings raised its long-term and underlying ratings on the Michigan State Housing Development Authority's (MSHDA) rental housing revenue bond (RHRB) general resolution bonds one notch to 'AA+' from 'AA'. At the same time, we assigned our 'AA+' rating to the authority's 2023 series A and B RHRBs. "The upgrade reflects the application of our methodology for rating U.S. public finance mortgage revenue bond programs," said S&P Global Ratings credit analyst Daniel Pulter. The ratings are no longer under criteria observation. The outlook, where applicable, is stable. According to preliminary transaction documents, proceeds of the 2023AB bonds, totaling an estimated $344.8 million, will be used to finance or purchase multifamily mortgage loans, make