HUD is removing the London Interbank Offered Rate (LIBOR) as an approved index for adjustable interest rate mortgages (ARMs), and replacing LIBOR with the Secured Overnight Financing Rate (SOFR) as a Secretary-approved index for newly originated forward ARMs. HUD is also codifying its removal of LIBOR and approval of SOFR as an index for newly-originated Home Equity Conversion Mortgage (HECM or reverse mortgage) ARMs. In addition, HUD is establishing a spread-adjusted SOFR index as the Secretary-approved replacement index to transition existing forward and HECM ARMs off LIBOR. HUD is also making clarifying changes to its HECM Monthly ARM regulation and establishing a lifetime adjustment cap for monthly adjustable rate HECMs. This final rule adopts HUD's October 19, 2022, proposed rule with minor changes.