Prerequisites
If you nevertheless wish to allow service entry sheets for the item (e.g. for information purposes only), you must set the GR non-val. indicator.
Procedure
Choose Continue to obtain the item overview (or the overview of service lines if you chose the item category External service).
Periodic Invoicing Plan
Partial Invoicing Plan
You can then start the automatic invoice creation process during invoice verification.

Once assigned to an item, the invoicing plan type (e.g. partial invoicing plan) cannot be changed. If you wish to assign a different invoicing plan type, you must delete the item and create a new one.