Freddie Mac is set to implement a waiver aimed at reducing lender anxiety about potential buybacks related to appraisal issues, matching a similar policy already implemented by Fannie Mae. The initiatives by the two government-sponsored enterprises are aimed at one of the last major bugaboos in the representations and warranties lenders take on when they sell loans. Lender repurchases have declined dramatically over the past few years as Fannie and Freddie cleaned up buyback disputes related to loans originated before the housing market collapse. In 2016, lender repurchases and other indemnifications fell...