All 24 Invoice Processing questions
More in Invoice Processing
What does 'three-way match' mean in one sentence, and why does invoice processing depend on it? What is the difference between an invoice and a receipt? What is a self-billing invoice? Walk through the journal entry when a supplier invoice is recorded. How does electronic invoicing (e-invoicing) and OCR improve AP processing? What are invoice exceptions and how are they handled? What is an approval workflow and why is it important? How is input VAT/sales tax handled on purchase invoices? What is a credit note (credit memo) and how is it processed in AP? How are foreign-currency supplier invoices recorded and revalued?
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Accounts Payable & Receivable › Invoice Processing

What is a duplicate invoice and how do you prevent duplicate payments?

Intermediate

Answer

A duplicate invoice is the same invoice entered more than once (e.g., resent by the supplier or scanned twice), risking a double payment. Prevention includes enforcing unique supplier+invoice-number checks in the ERP, matching to POs/receipts, blocking payment of unapproved items, and running duplicate-detection reports before each payment run.
Real-world example The ERP rejects a re-keyed invoice because the supplier ID and invoice number already exist, preventing a $8,400 double payment.

Common follow-ups: What controls catch near-duplicates? | How do duplicate payments get recovered?

Payment Runs Reconciliations Vendor Management
All 24 Invoice Processing questions