Fannie Mae SEL-2021-06 announces Selling Guide updates have been made to reduce asset documentation requirements for certain refinances, clarification of when an appraisal update or new appraisal is needed, clarification of the lenders’ responsibility for notifying Fannie Mae of discrepancies in the terms of a trade, Uniform Instrument updates, and updates to the name and description of Special Feature Code (SFC) 107, New York Co-op Flexibilities.