In this menu option, you define which categories may be used for a group of invoice lists and from which number range the number should be assigned for a group of invoice lists.
The SAP System automatically creates a group for these invoice lists when creating invoice lists in collective processing and assigns a number to the group.
You can also group together invoice lists manually.
In the standard version of the SAP R/3 System, the invoice list has the option category R . In the standard system, the document categories invoice list and credit memo lists are provided for usage in a group of invoice lists.