Here we would like to draw your attention to OVF6 transaction code in SAP. As we know it is being used in the SAP SD-BIL (Billing in SD) component which is coming under SD module (Sales & Distribution).OVF6 is a transaction code used for VAUK Dunning Areas in SAP.
It comes under the package VF.
Transaction OVF6 technical data table
|Purpose||VAUK Dunning Areas|