Mortgage Loan Mortgage 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. Test Notes-SV Test Again Sub-bullet test1 Sub-bullet test2 backing an MBS MBSMortgage-Backed Security , PFP MBS PFP MBSMBS backed by a PFP Mortgage Loan. , or REMIC REMICReal Estate Mortgage Investment Conduit .