International Business Machines Corporation

Julie M Murphy

Scotty J Reynolds

Lawrence J Cartin

Louis M Ciotoli, Jr

W Dwight Calkins

Eileen L Mosher

Michael W Beach

Ruth A Donnelly

Gerald D Bucinell

Joseph W Vanlone

Theodore W Fedorchak

Robert P Hughes

An accounts payable system in which invoices submitted by electronic data interchange (EDI) are audited for duplicate invoices prior to them being entered into the production database, or environment. Pre-processor logic audits, identifies and returns electronically duplicate transmissions. At this pre-processor level, all inbound invoices are sorted in credit/debit sequence. Invoices are posted (committed to the production accounts payable environment; that is, to the accounts payable data base) one at a time so purchase order history is current for each evaluation. Inbound invoices are sorted by credit/debit. Only debits are audited.

Preprocessor system and method for rejection of duplicate invoices

A system and method for identifying duplicate invoices among multiple systems, the method including the steps of loading first invoices having an index number into a database during a first predetermined time period; for each invoice having said index number, searching the database for another invoice, loaded during a second earlier time period, having the same index number and replacing the another invoice, if found, with said first invoice; comparing each first invoice for which no matching index number invoice was found with all other first invoices for which no matching index number invoice was found; comparing each of the first invoices for which no matching index number invoice was found with all the other invoices including the replaced invoices in the database; generating reports of the comparing steps, the reports listing invoices which compared; and eliminating from the database the first invoices deemed to have compared.

System and method for identifying invoices that may be duplicate prior to payment

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Vestal, NY, United States of America

Julie M Murphy