The LenderLenderPerson approved by Fannie Mae to sell or service Mortgage Loans. may enter into a Rate LockRate LockAgreement between the Lender and the Investor containing the terms of the Lender-Arranged Sale or Multifamily Trading Desk trade of the Mortgage Loan and the MBS terms and conditions relating to the underlying MBS, if applicable, which may be documented via a recorded telephone conversation. and obtain 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. prior to completing full underwriting 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. by using the Streamlined Rate Lock option described in this Chapter. The Streamlined Rate Lock is available for both (i) MBS Mortgage LoansMBS Mortgage LoansMortgage Loan purchased by Fannie Mae in exchange for an issued MBS backed by the Mortgage Loan. with either the Multifamily Trading DeskMultifamily Trading DeskTeam that quotes interest rate pricing for a Mortgage Loan and can be contacted at (888) 889-1118. or a Third Party MBS InvestorThird Party MBS InvestorMBS Investor for an MBS Mortgage Loan that is not the Multifamily Trading Desk. , or (ii) Cash Mortgage LoansCash Mortgage LoansMortgage Loan purchased by Fannie Mae in exchange for cash. with the Multifamily Trading DeskMultifamily Trading DeskTeam that quotes interest rate pricing for a Mortgage Loan and can be contacted at (888) 889-1118. . The LenderLenderPerson approved by Fannie Mae to sell or service Mortgage Loans. must underwrite, originate, commit, and deliver Streamlined Rate Lock Mortgage Loans in accordance with the standards, timeframe, and requirements of the GuideGuideMultifamily Selling and Servicing Guide and Delegated Underwriting and Servicing Guide, including any exhibits, appendices, or other referenced forms, as updated, amended, restated, modified, or supplemented by any lender memo; provided, however, if a topic is covered in the Multifamily Selling and…, except as expressly modified by Fannie Mae or this Chapter.