S&P Global Ratings affirmed its 'AA+ (sf)' long-term rating on Freddie Mac series ML certificates in the list below (table 1) , issued by Freddie Mac, Va. The outlook is stable. In the past, the certificates were rated applying various Structured Finance criteria; however, due to the nature and provisions of the Freddie Mac enhancement and the financing of affordable multifamily housing pools, we have determined to apply our "U.S. Federally Enhanced Housing Bonds" criteria (published Nov. 12, 2019). The certificates have a credit enhancement in the form of a Freddie Mac guarantee. The certificates represent ownership of underlying tax-exempt loans--the proceeds of which finance multifamily affordable-housing properties--coupled with the benefits of a Freddie Mac guarantee, which stipulates that if