Rules, Schedules, and Operational Resources
- EPN Membership and Operating Rules as of January 1 2026
- Summary of changes Jan 1 2026: definition of banking day
- Summary of changes Feb 10 2024: duplicate file checking enhancements
- Summary of changes Oct 18 2023: authority to share EPN Sample Data with Nacha
- EPN Operations Processing Schedule (Effective March, 1 2024)
- EPN Holiday Schedule
- OCC Payment System Member Rule
- STP 820 Implementation Guide
- EPN Annual Volume and Statistics