The following tutorials guides how to assign controlling area to operating concern in SAP.
SAP IMG Path: SPRO > IMG > Enterprise Structure > Assignment > controlling > Assign controlling area to operating concern
Transaction Code: KEKK
Step 1: – Enter T-Code “KEKK” in the SAP command field and press enter to continue
Select position button and enter controlling area code.
Update operating concern code in the OPCO field
Click on save button to save the data. Successfully controlling area is assigned to operating concern.