NACHA Rule Changes

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Micro-Entries (Phase 2)

Effective: 2023-03-17

The Micro-Entry Rule defines and standardizes practice and formatting of Micro-Entries, which are used by some ACH Originators as a method of account validation. Phase 2 of this Rule will be effective March 17, 2023 Originators of Micro-Entries will be required to use commercially reasonable fraud detection, including the monitoring of Micro-Entry forward and return volumes.