Here we would like to draw your attention to OKO3 transaction code in SAP. As we know it is being used in the SAP CO-OM (Overhead Cost Controlling in CO) component which is coming under CO module (Controlling).OKO3 is a transaction code used for Maintain Hier.Std.Cost Elem.Layout in SAP.
It comes under the package KAUC.
Transaction OKO3 technical data table
|Purpose||Maintain Hier.Std.Cost Elem.Layout|