CESIR™, the Credit Enhancement Servicing and Investor Reporting system, is a Web-enabled solution for the investor reporting process for bond credit transactions.
Monday through Friday, 7:30 a.m. to 10 p.m. ET, and Saturday, 8:30 a.m. to 7 p.m. ET (except Fannie Mae observed holidays).
CESIR User Guides and Schedule
User Guide for Servicers
Reporting and Remitting Schedule