Dispute Management System Buyer's Guide for Banks and Credit Unions

What examiners cite, what a dispute system should do, and how to resolve card disputes before they become chargebacks.

Updated September 2026  |  22 pages  |  Free PDF

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47%

of FDIC EFTA and Reg E citations in 2024 were for failing to properly investigate, report, or correct errors

$34B

in card transactions disputed in 2025 (Javelin)

73.6%

of card disputes turn into chargebacks (Mastercard and Datos Insights)

$35 to $100

per claim in core investigation fees, as reported by institutions

Bank operations team working disputes in a dispute management system

Why Reg E Disputes Still Drive Exam Findings at Banks and Credit Unions

Examiners rarely find that a bank or credit union didn’t know the rule. They find missed deadlines, thin documentation, and investigations that don’t hold up.

This guide shows dispute, deposit operations, and compliance teams what examiners test, where manual processes break, and how to judge a dispute management system on the criteria that matter at exam time.

The September 2026 edition is rebuilt from the ground up. It adds how card, ACH, and P2P disputes differ, what disputes actually cost your institution, and a way to resolve eligible card disputes before a chargeback is ever filed.

What You'll Find Inside

The 10 Reg E Mistakes

The mistakes examiners cite most, from treating a phone call as an "inquiry" to using the chargeback outcome as the Reg E decision.

Card, ACH, and P2P

Why a card procedure fails an ACH claim, which Nacha return codes apply, and how Reg E treats P2P scams.

What Disputes Cost

Core fees, chargeback handling costs, write-offs, and staff time, plus one question to take to your finance team.

Self-Assessment

15 compliance, process, staffing, and cost questions that tell you whether it is time for a dispute management system.

Vendor Questions

The compliance, cost, operations, and oversight questions that separate a real system from a case tracker.
NEW IN THIS EDITION

How Banks and Credit Unions Can Resolve Card Disputes Before They Become Chargebacks

Most card disputes turn into chargebacks, and each one brings an investigation, a network filing, and often a per-transaction fee from your core.

The guide explains a step that comes first: the merchant gets up to 72 hours to refund the cardholder. If it does, no chargeback is filed. If it doesn’t, the dispute continues exactly as it would have. You’ll see where the step sits against the Reg E clock, which institutions benefit most, and a modeled example of the core fees and staff hours it can return.

Part 4 shows how FusionDMS does it with Chargeback Intercept.

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Tools Your Team Can Use the Day You Download It

Reg E Quick Reference

Every deadline, notice, provisional credit rule, and liability tier on one clock, with a worked day count.

Case File Checklist

An examiner-ready checklist. Run five closed files through it before your next exam.

Three Worked Examples

A Friday phone report, a P2P scam, and a provisional credit reversal, with real dates.

Frontline Guide

One page for tellers, contact center, and chat staff: what counts as notice and what never to say.

Vendor Oversight Checklist

For banks and credit unions whose core or a third party investigates disputes.

FAQ and Glossary

Business accounts, credit card disputes, late notices, and the terms your team needs.

Pair it with free role-based dispute training for frontline staff, investigators, and supervisors at FIntegrate Academy.

Get the September 2026 Buyer's Guide

22 pages. Free. Includes the Reg E Quick Reference, both checklists, and the frontline guide.