Here we would like to draw your attention to OVEP 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).OVEP is a transaction code used for Rev. recognition: Ind. Item Categ. in SAP.
It comes under the package VF0C.
Transaction OVEP technical data table
|Purpose||Rev. recognition: Ind. Item Categ.|