An eligible 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. may be purchased by Fannie Mae as an MBS Mortgage LoanMBS Mortgage LoanMortgage Loan purchased by Fannie Mae in exchange for an issued MBS backed by the Mortgage Loan. or a Cash Mortgage LoanCash Mortgage LoanMortgage Loan purchased by Fannie Mae in exchange for cash. as agreed to by Fannie Mae and evidenced by a CommitmentCommitmentContractual agreement between Fannie Mae and the Lender where Fannie Mae agrees to buy a Mortgage Loan from the Lender at a future date in exchange for an MBS, or at a specific price for a Cash Mortgage Loan, and the Lender agrees to Deliver that Mortgage Loan to Fannie Mae. .