The Mortgage Bankers Association called for the Federal Housing Finance Agency to update standards for representations and warranties provided to the government-sponsored enterprises and asked for more transparent underwriting standards. Confusion and uncertainty around representations and warranties standards continue to cause lenders to add their own overlays to the existing GSE credit standards, said Bill Cosgrove, the MBAs vice chairman. As a result, lenders are only offering mortgages to those with the most pristine credit for fear that any borrower default will trigger costly repurchase requests. The MBA detailed...