Mortgagee Letter 2009-21 informs Mortgagees and Housing Counseling Agencies that provide Home Equity Conversion Mortgage (HECM) counseling, of a technical correction that is applicable to the Federal Housing Administration (FHA) HECM Program. This Mortgagee Letter also reiterates and clarifies policy guidance that mortgagees must use when refinancing existing HECM mortgages.