Risk Management Resources
The safety of the ACH Network for all participants is key. Nacha has numerous risk management resources available including fraud prevention and Nacha Rules compliance. You can filter the information by both resource type and audience.
Risk Management Resources

ACH Quality
Compliance
ACH Operations Bulletin #4-2024-Importance of Maintaining Up-to-Date Routing Transit Numbers
All parties involved in the origination of ACH payments should incorporate regular routing number updates as part of their ACH origination practices.
December 16, 2024

Account Validation
ACH Quality
Fraud Prevention
Micro-Entries
Micro-Entry practices/format for Originators for account validation.
March 17, 2023

ACH Quality
Third-Party Sender Roles and Responsibilities
The roles/responsibilities of Third-Party Senders in the ACH Network.
September 30, 2022