Changeover processing POS interface

When processing WPUUMS IDocs (sales) and WPUBON IDocs (markdowns) from the POS interface, billing documents from the stock-managing company code to the selling company codes are created and posted in the stock-managing company code with invoice recipient/payer. So that these created billing documents do not have to be posted manually in the selling company code as FI incoming invoices, they are posted in FI by processing INVOIC IDocs. The INVOIC IDocs are created during output determination for the billing document.