MBS News and Announcements

New Single-Family MBS Disclosure Information Center

Fannie Mae introduces the new Single-Family MBS Disclosure Information Center, which will serve as a centralized location for information, updates, and resources to help prepare the marketplace for our new disclosures that align with the Single Security Initiative.

Currently, the Center includes the following documents:

  • Single-Family Disclosure Technical Specification – Single Class
  • Single-Family Disclosure Mapping Documentation – Single Class
  • Future MBS Disclosures - FAQs

Leading up to the Single Security Initiative implementation date of June 3, 2019, this webpage will be updated with relevant information and announcements related to MBS disclosures.

Register to receive notifications about these and other future updates to the Single-Family MBS Disclosure Information Center.

For questions about the Single-Family MBS Disclosure Information Center, please contact Fannie Mae's Investor Help Line at 1-800-232-6643 or by email.