The ABC’s of ACH Returns | Stop Payments, Unauthorized Returns & Nacha Rules

Overview:

ACH returns remain one of the most confusing and operationally sensitive areas of ACH processing. For many financial institutions, the challenge is not simply knowing that a return can be made, but understanding exactly what type of return applies, what documentation is required, and whether the item falls within the applicable timeframe. Questions around general returns, unauthorized returns, stop payments, revoked authorizations, dishonored returns, and corrected dishonored returns often create uncertainty for both frontline staff and operations teams.

That confusion becomes very real in day-to-day account-holder interactions. A customer may say, “I didn’t authorize this,” “I want this stopped,” “I revoked permission,” or “Why did this payment post again?” While those statements may sound similar, they can trigger very different ACH return paths, forms, and deadlines under the Nacha Operating Rules. When staff are unclear on what questions to ask or which form to use, the risk of processing errors, delays, and noncompliance increases. Nacha’s framework around unauthorized returns, WSUD handling, and the distinction between return reasons such as R10 and R11 makes that decision-making especially important.

This two-hour webinar is designed to bring structure and clarity to the ACH return process from start to finish. The session will walk through the full return lifecycle, including general returns, extended returns, dishonored returns, and contested and corrected dishonored returns, while also explaining the most commonly used return reason codes and their associated timing requirements. Through practical examples and realistic account-holder scenarios, attendees will gain a clearer understanding of when to treat an entry as a stop payment, when a Written Statement of Unauthorized Debit is required, when authorization has been revoked, and how to respond appropriately while remaining compliant with the Nacha Operating Rules.

Particular emphasis will be placed on the questions that customer service representatives, frontline personnel, and operations staff face every day: What does the account holder actually want done? Is this a stop payment or an unauthorized debit claim? Is a WSUD required? Which return reason code applies? What is the deadline? By answering those questions in a practical, scenario-based format, this webinar will help staff make better decisions, use the correct forms, and process ACH returns more confidently and consistently.

Areas covered in the session:

• Define the Rules surrounding Stop Payments
• Identify the difference in the Rules between a consumer and non-consumer Stop Payment
• List tips that will help customer service and frontline staff to ensure they are asking the right questions of the account-holder
• Outline what an unauthorized transaction is and when to use a Written Statement of Unauthorized Debit (WSUD)
• Identify the differences between using Return Reason Code R10 vs. R11 and what that means to the RDFI & ODFI when returning ACH Entries
• Review general timeframes for NSF, closed accounts and Stop Payments, plus Unauthorized Payments
• Illustrate what constitutes an entry to be returned as Authorization Revoked vs. Stop Payment vs. Unauthorized Payment
• Describe through the use of multiple scenarios – the what, when and how of Stop Payments and Returning Unauthorized Entries

Why should you attend?

You should attend this webinar if ACH returns are part of your day-to-day responsibility and you want greater confidence in handling them correctly under the Nacha Operating Rules. Returns are not just about selecting a code—they require careful judgment around timing, documentation, exception handling, and the difference between situations that may appear similar but must be processed differently.

For ACH professionals, the real challenge is often in the gray areas: determining whether an entry should be handled as a stop payment, unauthorized debit, or revoked authorization; knowing when a WSUD is required; and understanding how return deadlines affect available options. This session is designed to help you navigate those decision points more clearly through practical explanation and scenario-based discussion.

You should also attend if you want to strengthen processing accuracy, reduce compliance risk, and support more consistent handling across your ACH or deposit operations team. Whether you are reviewing returns yourself or guiding staff who do, this webinar will help reinforce the operational knowledge needed to manage ACH returns with greater precision and control.

Who will benefit?

This webinar will benefit professionals who are directly responsible for handling ACH returns, stop payments, unauthorized debit claims, return reason code decisions, and related account-holder support. It is especially relevant for those who must apply Nacha Rules correctly, manage documentation, and respond within required return timeframes—those include

• ACH Operations Specialists
• ACH Returns Specialists
• ACH Exception Processing Specialists
• ACH Dispute Resolution Specialists
• Electronic Payments Specialists
• Deposit Operations Specialists
• Deposit Operations Managers
• Bank Operations Managers
• Customer Service Representatives handling ACH inquiries
• Branch Operations Managers
• Member Service Representatives
• Fraud Operations Analysts
• Unauthorized Transaction Investigators
• Payment Compliance Analysts
• Nacha Compliance Professionals
• Audit and Risk Professionals reviewing ACH processes