Here we would like to draw your attention to APB_ISR_CUST_OVS transaction code in SAP. As we know it is being used in the SAP BC-MUS (Musing Tools in BC) component which is coming under BC module (BASIS).APB_ISR_CUST_OVS is a transaction code used for ISR OVS Customizing in SAP.
It comes under the package APB_ISR.
Transaction APB_ISR_CUST_OVS technical data table
|Purpose||ISR OVS Customizing|