Per the Master Credit Facility AgreementMaster Credit Facility AgreementAgreement evidencing the terms and conditions of a Credit Facility. , a defined event that permits the LenderLenderPerson Fannie Mae approved to sell or service Mortgage Loans. to require the BorrowerBorrowerPerson who is the obligor per the Note. to fund the Debt Service Reserve AccountDebt 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. .