NACHA’s new ACH Network Risk and Enforcement Rule, which lowers the existing unauthorized return rate threshold, and establishes an inquiry process and evaluation points if an Originator or Third-Party Sender exceeds specific administrative and/or overall return rate levels, effective Sept. 18, 2015. To support ODFIs with implementation of the Rule and to help ensure accurate monitoring of the return rates of their Originators and Third-Party Senders, NACHA developed an infographic to visually illustrate how to calculate the new return rates. Undefined>> See Infograph Calculation <<