When can a supplier create an Advanced Ship Notice in the Supplier Managed Inventory process using planned shipment?

When can a supplier create an Advanced Ship Notice in the Supplier Managed Inventory process using planned shipment?
A . After the goods receipt has been generated or updated
B. After the schedule line has been sent to Ariba Network
C. After manufacturing visibility has been sent to Ariba Network
D. After the order confirmation has been sent to Ariba Network

Answer: B