Non-agency MBS investors, issuers and the rating services appear to favor a new framework for representations and warranties that would incorporate provisions recently established by the Federal Housing Finance Agency for Fannie Mae and Freddie Mac MBS. The new agency framework includes standardized provisions with three-year sunsets for certain repurchase obligations. At the ABS East conference sponsored by Information Management Network in Miami last week, Rebecca Dorian, head of non-agency MBS and ABS trading at Morgan Stanley, said the FHFA’s rep and warrant framework could be scaled for the non-agency market. In fact, she said such standardization is necessary for non-agency MBS. Rep and warrant provisions in pooling and servicing agreements on outstanding non-agency MBS vary...