Per the Master Credit Facility Agreement Master Credit Facility AgreementAgreement evidencing the terms and conditions of a Credit Facility. , a defined event that permits the Lender LenderPerson Fannie Mae approved to sell or service Mortgage Loans. to require the Borrower BorrowerPerson who is the obligor per the Note. to fund the Debt Service Reserve Account Debt Service Reserve AccountSpringing Debt Service Reserve per the Master Credit Facility Agreement that a Borrower may be required to fund in the event of a Springing Trigger. .