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. secured by a PropertyPropertyMultifamily residential real estate securing the Mortgage Loan, including the fee simple or Leasehold interest, Improvements, and personal property (per the Uniform Commercial Code). where the BorrowerBorrowerPerson who is the obligor per the Note. agrees to undertake 1 or more Energy- and Water-Efficiency Measures that comply with Part III, Chapter 4: Green Mortgage Loans, Section 403: Green Rewards Mortgage Loans.