Code to identify the back order agreement.
Type
String (AN)
Length
Max 3 / Min 1
Codes
<> B
Back order only if new item (book industry - not yet published only)
Item on back order due to unpublished status.
<> F
Factory ship
Ship directly from factory to purchaser.
<> N
No back order
Back order is unacceptable.
<> W
Warehouse ship
Ship directly from warehouse.
<> Y
Back order if out of stock
Acceptable to put on back order if out of stock.
<> ZZZ
Mutually defined
