Communication among investors in non-agency MBS as well as between issuers and investors has been inadequate, according to industry participants. Trustees and others are working to address the issues, both with new jumbo MBS and vintage non-agency MBS. Investors cite problems with data availability, consistency, timing and quality. Paul Burke, head of North American agency and trust sales at Citibank, said the communication system currently used for non-agency MBS leaves something to be desired. Communication regarding potential votes for action on non-agency MBS, due to a perceived breach of representations and warranties, for example, is generally funneled...