June 15 marks a new era for issuers and underwriters of MBS and ABS as a new rule from the Securities and Exchange Commission takes effect. For rated securities, even private placements, public disclosure of results from third-party due diligence reviews will be required before a deal is priced. Industry analysts suggest that the rule will prompt a number of changes in the market. “Many in-scope third-party due diligence services will have to be completed...