Processing Retroactive Billing Lists 
Prerequisites
The system does not automatically trigger the creation of a retroactive billing list when you create, change, or delete condition records. You must create the list manually.
In retroactive billing, the system creates credit and debit memos with reference to invoices only.
For consistent data in the retroactive billing list:
pricing procedure which is used when creating credit or debit memos. The system will always post the difference with the condition type
PDIF
.
While you are processing the list, the system blocks it for the client, payer, and sales organization. The system allows other users to call the list up for display, and even simulate retroactive billing. However, when they try to perform retroactive billing the system informs them that the list is being processed. When you finish processing the list, the system releases it for the other users. To perform retroactive billing, a user who is already in the list to display or simulate can exit, and call the list up again, or simply choose Refresh.
Procedure
The system automatically proposes pricing type
C . Besides these required entries, you can also enter a currency, sold-to party, or material to narrow your search.The system creates a
list, displaying documents and subtotals for each combination of currency, sold-to party and material.Choose Settings ® Change, enter your data, and choose Save. Although the system will propose these settings as default in future documents, you can change them at any time.
Only items with open quantities can be selected. If you cannot select an item, this means that it has already been processed.
Result
The retroactive billing documents that you have selected are divided into two groups:
The system processes these groups separately, creating the necessary credit and debit memos for the retroactive billing amount.
Note the following when reviewing or processing the results:
Choose Refresh to update the list. Processing large quantities of documents for retroactive billing may negatively affect system performance. Newly created documents may not be available immediately.
The system creates credit and debit memos with positive amounts.