Recording Activity Assignments and Transferring Data to R/3 Controlling (CO) 
Purpose
When recording specifications for activity allocation in R/3 Time Management, activities that produce cost centers for Controlling objects in R/3 Controlling (CO) can be taken into account.
For the sender (of service) cost center, costs in the amount of the scheduled costs are posted as the billable activity, while the receiver Controlling objects are debited with these costs.
Process Flow
Example
