How issuer banks can reconcile Mastercard dispute fund movements: A practical guide
Every Mastercard chargeback triggers a chain of credits, debits, and fees that must reconcile cleanly across Mastercom, Dual Message Clearing system files, and your GL. Yet most issuers piece the process together from fragments of documentation. This guide maps the full dispute lifecycle to the exact fund movements at each stage, covers the Collaboration and Fee Collection flows teams commonly miss, and lays out a three-layer framework (transaction, file, settlement).
MAY 7, 2026