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2019 NACHA Operating Rules & Guidelines
The 2019 NACHA Operating Rules use clear, straightforward, and consistent language throughout to help make them more easily understood and information easier to find. The 2019 NACHA Operating Guidelines contain complete discussions of each ACH Network participant type and its role and obligations in the ACH Network. The Guidelines also contain a section on Standard Entry Class Codes and an Appendices section which consolidates charts, sample forms and reference materials in one quick-find location.