If you want to assign a material component as a part-to-be- provided to an operation, you
choose a control key that allows external processing
set the Subcontracting indicator in the purchasing data for the operation.
In the operation overview choose
The Material Component Overview screen appears
Select the BOM item that you want to provide and choose
.The New Assignment screen appears.
Enter the operation that the component is to be provided for and choose Continue .
You return to the Material Component Overview screen
Save you routing.