Prerequisites
Before you complete the tasks in this section:
Verify that the Localization Country Code field in the User Profile Revision program (P0092) is set to IT (Italy).
Verify that corresponding versions of the Standard Invoice Entry program (P03B11) and the PO - Localization Invoice Entry program exist in your system.
Run the Update Customer Sales program (R42800) for invoices that you need to associate to credit notes; the systems enables you to select in the Invoices Related to DN/CN form only processed invoices.