SFE | Nacha Rules

2026 Nacha Operating Rules & Guidelines

Online Resource (web-based)

This interactive website provides access to both the full Nacha Operating Rules & Nacha Operating Guidelines, as well as any potential supplement details. The Online Resource website has been divided into sections for easy browsing and searching of the content. This resource has been set up to allow for an easy and responsive viewing experience from a desktop computer, laptop or a mobile device with enhanced product features:

• Customized Bookmarking
• Keyword/Phrase Search
• Copy options
• Printing options

Perfect for financial institutions to provide the Nacha Rules to corporate customers or members.

Annual publication December 31, 2025 – December 31, 2026

Please Note: All digital purchases are final.

2026 Nacha Operating Rules & Guidelines

Print (hard copy book)

Access to the Rules & Guidelines helps to identify new opportunities to leverage the ACH Network to meet customer’s needs while maintaining a clear understanding of network requirements.

The Rules include the legal framework for the ACH Network and the basic obligations of each ACH Network participant. Additionally, the included appendices contain details on Rules enforcement, annual audit requirements, a complete table of return reason codes, and formatting specifications.

The Guidelines expand on the Rules, providing complete discussions of each ACH Network participant type and its role and responsibilities, detailed overviews of the Standard Entry Class Codes, and use-case examples in special topic areas, such as Third-Party Service Providers.

Nacha Rules Book Tabs

Purchase your own set of Tabs for the Nacha Rules Book. Tabs provide quick reference when handling the most common ACH issues such as unauthorized returns, return deadlines, obligation of the RDFI to post ACH items, notifications of change, obligations of the ODFI, funds availability and more.

Tabs are sold separately.

2025 Nacha Operating Rules & Guidelines - Hardcopy

Hardcopy: Access to the Rules & Guidelines helps to identify new opportunities to leverage the ACH Network to meet customer’s needs while maintaining a clear understanding of network requirements.

The Rules include the legal framework for the ACH Network and the basic obligations of each ACH Network participant. Additionally, the included appendices contain details on Rules enforcement, annual audit requirements, a complete table of return reason codes, and formatting specifications.

The Guidelines expand on the Rules, providing complete discussions of each ACH Network participant type and its role and responsibilities, detailed overviews of the Standard Entry Class Codes, and use-case examples in special topic areas, such as Third-Party Service Providers.

2025 Nacha Operating Rules & Guidelines - Online Resource Code

Online Resource(web-based): This interactive website provides access to both the full Nacha Operating Rules & Nacha Operating Guidelines, as well as any potential supplement details. The Online Resource website has been divided into sections for easy browsing and searching of the content. This resource has been set up to allow for an easy and responsive viewing experience from a desktop computer, laptop, or mobile device with enhanced product features:

• Customized Bookmarking
• Keyword/Phrase Search
• Copy options
• Printing options

Note: All digital purchases are final.

Annual access to these publications runs from December 31, 2024 – December 31, 2025.

ACH Compliance Manual - 11th Edition - Various Formats

Various Formats

Hardcopy: An essential tool to ensure compliance with the Nacha Operating Rules & Guidelines, the 11^th edition offers crisp insights into authorizations, processing, and more from Nacha’s subject matter experts. Stay current with recent Rule changes on Micro-Entries and Third-Party Sender shifts and authorization updates. Whether you’re new to the payments industry or a seasoned professional, this offering simplifies complexities, provides insightful compliance tips, and includes a glossary and references to other valuable resources.

via App(E-book): This Adobe-based product requires a third-party app called Flux Player to allow the content to be redeemed, downloaded to, and accessed only within the app. The content is read-only, E-book display is identical to the hard copy book. Once a Flux Player account app has been created and the content is redeemed within the Flux Player app, the content can be accessed on up to two devices using the same app account. Works on PC/Windows, Mac (OSX), Android phones and tablets, Apple IOS, and Kindle.

Note: If your organization requires special permission to download and/or install programs, please contact your IT department for assistance before purchase.

Note: All digital purchases are final.

ACH Risk Management Handbook, 9th Edition

Hardcopy

Hardcopy: The newly updated 9th edition offers essential insights into Nacha’s strategies for identifying and mitigating risks associated with ACH payments. This publication provides comprehensive recommendations for developing an effective risk management program tailored for organizations involved in ACH transactions. Importantly, the threats to ACH payments are not unique to the ACH Network; the lessons learned can be applied to create a holistic payments risk management program. The edition includes the latest 2024 Rules focusing on credit push fraud and offers methods to address evolving fraud tactics. Additionally, real-world case studies in each chapter illustrate practical applications of the concepts discussed, helping organizations evaluate and enhance their risk management practices.

Revised Uniform Commercial Code Article 4A and the ACH System - 4th Edition

Various Formats

Hardcopy: The refreshed 4^th Edition contains new statistics and evaluates the impact of the UCC 4A on security procedures, bank/corporate agreements, recommended contractual provisions, errors, unauthorized entries, and more. Includes Article 4A (law unchanged) with staff commentary. For financial institutions and corporations that handle ACH wholesale credits.

via App(E-book): This Adobe-based product requires a third-party app called Flux Player to allow the content to be redeemed, downloaded to, and accessed only within the app. The content is read-only, E-book display is identical to the hard copy book. Once a Flux Player account app has been created and the content is redeemed within the Flux Player app, the content can be accessed on up to two devices using the same app account. Works on PC/Windows, Mac (OSX), Android phones and tablets, Apple IOS, and Kindle.

Note: If your organization requires special permission to download and/or install programs, please contact your IT department for assistance before purchase.

Note: All digital purchases are final.

Third-Party Senders & the ACH Network - 4th Edition - Various Formats

Various Formats

Hardcopy: This 4th Edition update provides a review of the variations in legal requirements and processing obligations relating to the origination of ACH entries when a Third-Party Sender is involved in the origination of transactions through the ACH Network. This edition reflects the latest Nacha Operating Rules changes, offers real-world examples of Third-Party Sender relationships, and includes sound business practices, risk management topics, and a checklist of issues to be addressed by ODFIs, Originators, and Third-Party Senders in processing agreements. Third-Party Senders and ODFIs partnering with and managing these organizations will benefit from the information discussed.

via App(E-book): This Adobe-based product requires a third-party app called Flux Player to allow the content to be redeemed, downloaded to, and accessed only within the app. The content is read-only, E-book display is identical to the hard copy book. Once a Flux Player account app has been created and the content is redeemed within the Flux Player app, the content can be accessed on up to two devices using the same app account. Works on PC/Windows, Mac (OSX), Android phones and tablets, Apple IOS, and Kindle.

Note: If your organization requires special permission to download and/or install programs, please contact your IT department for assistance before purchase.

Note: All digital purchases are final.