This form shows the actual costs posted to the selected external operation line.They are the costs of posted purchase invoices... These costs are posted at the time the purchase invoice is processed permanently.

When receiving components that have been processed externally, provisional costs are posted (the purchase order price). Once the purchase invoice has been posted, this provisional price is adjusted by the actual costs. This settlement is displayed on the Costs of purchase invoices for external operation form.

The Help topic Processes in Isah contains more information about the way in which the actual part costs are calculated in Isah.