For Release 4.0A, the following new movement types have been
added for purchase orders
123: GR rtrn vendor rev.. As of 4.0A, this movement type is
used to reverse a return delivery to the vendor (122). Prior to
4.0, movement type 101 was used for this type of reversal. Now, you
can make reference to the reason for the reversal and the Logistics
Information System is thereby correctly updated.