Code specifying the action taken by the seller on a line item requested by the buyer.
When 855 PO Acknowledgment contains details about the line items: The ACK segment is used to acknowledge the ordered quantities and specify the ready date for a specific line item. The ACK01 data element is used to provide a status for each line item.
Complete List of PO Ack Line Item Status Codes
| AA | Item Accepted – Order Forwarded to Alternate Supplier Location |
| AC | Item Accepted and Shipped |
| AR | Item Accepted and Released for Shipment |
| BP | Item Accepted – Partial Shipment, Balance Backordered |
| DR | Item Accepted – Date Rescheduled |
| IA | Item Accepted |
| IB | Item Backordered |
| IC | Item Accepted – Changes Made |
| ID | Item Deleted |
| IE | Item Accepted, Price Pending |
| IF | Item on Hold, Incomplete Description |
| IH | Item on Hold |
| IP | Item Accepted – Price Changed |
| IQ | Item Accepted – Quantity Changed |
| IR | Item Rejected |
| IS | Item Accepted – Substitution Made |
| IW | Item on Hold-Waiver Required |
| R1 | Item Rejected, Not a Contract Item |
| R2 | Item Rejected, Invalid Item Product Number |
| R3 | Item Rejected, Invalid Unit of Issue |
| R4 | Item Rejected, Contract Item not Available |
| R5 | Item Rejected, Reorder Item as a Just in Time (JIT) Order |
| R6 | Item Rejected, Reorder Item as an Extended Delivery Order (EDO) |
| R7 | Item Rejected, Reorder Item as a Drop Shipment |
| R8 | Item Rejected, Reorder Item as a Surge Order |
| SP | Item Accepted – Schedule Date Pending |