Borrower's Borrower'sPerson who is the obligor per the Note. failure to perform any promise or covenant within any applicable grace periods per the 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 , other than a Payment Default Payment DefaultBorrower's failure to fully pay any required Mortgage Loan payment when due, including, principal, interest, late charges, default interest, fees, pricing incentive recapture, prepayment premium, escrows, or other collateral accounts for taxes, insurance, … .