444 Purchase Order Instruction Code
Code defining the disposition of any difference between the quantity ordered and the quantity available for shipment
- Type
 - Identifier (ID)
 - Length
 - Min 2 / Max 2
 - Codes
 | Code | Description | 
|---|
|  AQ | Add Quantity to Meet Minimum Weight Requirement | 
|  BO | Back Order if Not Available | 
|  BX | Back Order Not Allowed | 
|  NS | Notify Prior to Shipment if Quantity Specified is Not Available | 
|  SA | Substitution Allowed | 
|  SX | Substitution Not Allowed |