Describe the header and line status during the Back to Back order?

Entering the sales order                                     Entered (Header)

                                                                           Entered (Line)

Booking the sales order                                     Booked (Header)

                                                                           Supply Eligible (Line)

Progress order à Create supply order eligible    Booked (Header)

                                                                            External req requested (Line)

Run Requisition import                                       Booked (Header)

                                                                           External Request open (Line)

Auto Create Purchase order                              Booked (Header)

                                                                           PO Open (Line)

Create Receipt for PO                                        Booked (Header)

                                                                           Awaiting Shipping (Line)