order fixed create an order in ERP based on received mail Is everything on stock? send order for preparation to warehouse new order arrives send order for invoice preparation Contact supplier about delivery terms order packed response received change the order start delivery process wait for invoice payment 14 days send the order to debt collection dept. close order 1 day set the article as undelivered send the modifed order to the customer for acceptance response received 1 week change the order invoice ready payment arrives order open mailbox open new order create order in ERP Is everything on stock? send order for preparation to warehouse new order arrives send order for invoice preparation Contact supplier about delivery terms order packed response received arrange modifiedorder with a customer send order wait for invoice payment 14 days send the order to debt collection dept. close order