1704.02
Radon Testing
Requirements
You must ensure any radon testing required per Environmental Due Diligence Requirements ( Form 4251 ) is performed, unless testing meeting the current requirements of Form 4251 was performed when the Portfolio Mortgage Loan Portfolio Mortgage LoanMortgage Loan purchased by Fannie Mae and held as of a certain date regardless of whether it is a Cash Mortgage Loan or an MBS Mortgage Loan. was originated.