Duplicate Invoice Check :

OMRDC                Configure Duplicate Invoice Check


In this screen, you can configure for each company code if the system is to check for duplicate invoices when you enter invoices.


This check should prevent incoming invoices being accidentally entered and paid more than once.


You can choose whether to activate or deactivate the check criteria of company code, reference document number and invoice date for each company code. The more criteria that you activate, the lower the probability of the system finding a duplicate invoice. The Accounting documents are checked first, followed by documents from Logistics Invoice Verification (only incorrect invoices or those entered for verification in the background).


When checking duplicate invoices, the system compares the following attributes in the standard system:


  • Vendor
  • Currency Company code
  • Gross invoice amount
  • Reference document number
  • Invoice date


If the system finds an invoice that matches all attributes, the system displays a customizable message.


If you are entering credit memos, subsequent debits, or subsequent credits, the system does not check for duplicate invoices.


If a previously processed document is later cancelled and then entered again, no message is displayed.




The following document has been entered and posted:


Reference document number:             333

Invoice date:                                     28.04.2000

Gross invoice amount:                       100,00

Currency:                                          EUR

Vendor:                                             15000

Company code:                                  1000


The settings for checks for duplicate invoices in Customizing have been maintained as follows:


The field reference document number and company code are not selected. This means that these attributes will not be checked. Now enter the following invoice:


Reference document number:             334

Invoice date:                                     28.04.2000

Gross invoice amount:                       100,00

Currency:                                          EUR

Vendor:                                            15000

Company code:                                  2000


Result: By entering the reference document number and entering an invoice, it is possible to check for duplicate invoices. The reference document number and the company code contain different data than the invoice you entered. These attributes are not checked because you have deselected them in Customizing. All other attributes are equal. The system displays a message telling you that a duplicate invoice has been found.


If, for example, you had selected the reference document number in Customizing, the system would check this and recognize that this invoice is different to the previously entered invoice. The system would not then display a message.

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