Mortgage LoanMortgage LoanMortgage debt obligation evidenced, or when made will be evidenced, by the Loan Documents or a mortgage debt obligation with a Fannie Mae credit enhancement. underwritten and serviced by the LenderLenderPerson approved by Fannie Mae to sell or service Mortgage Loans. and financed by the issuance of BondsBondsTax-exempt or taxable multifamily revenue bonds, or other tax-exempt or taxable bonds, issued to finance 1 or more Credit Enhancement Mortgage Loan Properties. where Fannie Mae is providing a Credit Enhancement InstrumentCredit Enhancement InstrumentAgreement between Fannie Mae and a Bond Trustee where Fannie Mae provides credit enhancement of a Credit Enhancement Mortgage Loan, Bonds issued to finance a Credit Enhancement Mortgage Loan, or an Interest Rate Hedge Agreement; and if applicable, a Bond liquidity facility..