Reference X12 Release 2001 Elements 444 Purchase Order Instruction Code 
444  Purchase Order Instruction CodeIndicator defining the disposition of any difference between the quantity ordered and the quantity available for shipment for a line item or transaction. Type Identifier (ID) Length Min 2 / Max 2 Codes Code Description Add Quantity to Meet Minimum Weight Requirement Back Order if Not Available Back Order Not Allowed Notify Prior to Shipment if Quantity Specified is Not Available Substitution Allowed Substitution Not Allowed 
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Stedi is a registered trademark of Stedi, Inc. Stedi's EDI Reference
      is provided for marketing purposes and is free of
      charge. All names, logos, and brands of third parties listed on our site
      are trademarks of their respective owners (including “X12”, which is a
      trademark of X12 Incorporated). Stedi, Inc. and its products and services
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