In this configuration activity we are able to define account assignment groups for customers used in Sales and Distribution Module (SD).
IMG Path: Sales and Distribution -> Basic Functions -> Account Assignment/Costing -> Revenue Account Determination -> Check Master Data Relevant For Account Assignment
Tables: TVKT, TVKTT
If you use the IMG Menu, you will have to choose the second option on the pre-selection screen.
On the main screen there is a list of Account Assignment Groups for Customers. You can create new here if you need.