...OVERVIEW + The JHF series 23 and 25 to 27 fixed-rate residential mortgage-secured pass-through notes are securitizations that JHF issued. A pool of residential mortgage loans ultimately backs the notes issued under each transaction. + We assume a foreclosure frequency for the mortgage loans currently outstanding of about 4% under our base-case scenarios. + We believe the likelihood of a surge in withdrawal rates is limited and these rates will be stable in the future. + We are raising to '### (sf)' our ratings on the above four series of notes following our review. + Because of the structural features of these transactions, we believe the ratings on the notes depend to an extent on the credit quality of JHF. TOKYO (S&P Global Ratings) Sept. 8, 2016--S&P Global Ratings today said it has raised to '### (sf)' its ratings on Japan Housing Finance Agency's (JHF) series 23 and 25 to 27 fixed-rate residential mortgage-secured pass-through notes (see list below). The rating actions reflect the...