MMR Settings in sales: sales organization 2 tab enter the Item catorgory group: BANS( Third part item)

VOV8 Sales document maintain the order-related billing F2 invoice

VOV7 Item category Billing relevance should be F order-related billing doc.status acc to invoice quanity(invoice receipt quanty less invoice quantity)And this item is not relevant for delivery because vendor will supply the material directly to customer.

VOV6 schedule line CS configured the order type: NB purch request standard by this after saving the sale order automically Purchase Request is generated.Item cat: 5 third partyAcc assign cat: 1 third party by the from MM side it will updates the accounting documents.