Electronic Pool Notification (EPN) is the industry standard for agency mortgage-backed securities pool notification. It is intended for all firms that are engaged in the MBS pool allocation and notification process, including broker/dealers, inter-dealer brokers, commercial banks, Government Sponsored Enterprises (GSEs), mortgage originators, insurance companies, investment companies, investment managers/ advisors, mutual funds, trust companies, pension funds, international organizations and organizations that act as principal to the underlying trade and maintain direct FICC accounts.
It is a real-time store and forward message switch that provides an electronic communication network for transmitting MBS pool allocation information quickly, efficiently, and reliably.
DTCC offers a few ways to communicate with EPN, including Messaging Queue (“MQ”) and RESTful Application Program Interface (“API”). MBSD has also implemented EaSy Pool (ESP) as a communications front-end to the EPN system to provide a Web-based solution for the real-time exchange of pool information.
To see all resources related to EPN, visit the resources tab (above).
To focus on a subset of information, click a link below.
| Topic | Description |
| EPN Overview and Guidelines | This page presents the EPN basics and links to the introductory area of the EPN Guidelines and Codes portion of the EPN User Guide. |
| EaSy Pool | This page defines the EaSy Pool service and links to the EaSy Pool portion of the EPN User Guide. |
| Pair-Off Service | This page defines the Pair-Off Service and provides links to its user guide and specifications documents. |
| EPN Reports | This page explains and lists the relevant reports, presents interactive report diagrams, lists reject codes, DK codes, and cancel codes, and provides links to message layouts and MRO format documentation. |
| Pool Substitution Service | This section of the EPN User Guide explains the processing guidelines, verification of pool messaging substitution message trade details, message criteria, scenarios, tips, and terminator logic. |