Legal document authorizing a ServicerServicerPrimary Person responsible for servicing the Mortgage Loan (e.g.,  the originator, the selling Lender, or a third-party servicer). to execute certain Loan DocumentsLoan DocumentsAll documents evidencing, securing, or guaranteeing the debt obligation executed for a Mortgage Loan and approved by Fannie Mae. related to the asset management of a 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. as attorney-in-fact on behalf of Fannie Mae.