duplicate payments is to not have any duplicate payments. The techniques used to define the problem are: 1) Brainstorming possible scenarios that could of caused the problem, 2) The use of available reporting tools, i.e. Match Type Five Duplicate Payment Report, 3) Analysis of the available data, 4) Interview the people involved. The pivotal tool that was used in defining this problem was the use of the Match Type Five Duplicate Payment Report. This report compares invoice data, in the system, from previously paid invoices to invoice data from invoices submitted for payment in the past twenty-four hours. The data items it compares are the vendor number, invoice number, invoice date and invoice amount. Different combinations of these items used for the comparison are called match types. For instance, Match Type One matches all four items whereas Match T
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