| AA | Packing Configuration |
| AI | Add Additional Item(s) |
| CA | Changes To Line Items |
| CB | Change of Date Terms |
| CC | Changes To Terms |
| CE | Changes To Item Level Allowance/Charges |
| CF | Cancel Previously Transmitted Purchase Order |
| CG | Changes To Total Level Allowance/Charges |
| CH | Change To Original Confirmation Of Original Announcement |
| CI | Change To Confirmation Of Revised Announcement |
| CT | Change of Dates |
| DI | Delete Item(s) |
| MU | (Multiple) For Unit Price Quantity Reschedule Change |
| NC | Concurrent Item (No Change) |
| OA | Original Confirmation Of Revised Announcement |
| OC | Original Confirmation Of Original Announcement |
| PC | Price Change |
| PQ | Unit Price/Quantity Change |
| PR | Unit Price/Reschedule Change |
| QD | Quantity Decrease |
| QI | Quantity Increase |
| RA | Replace Mode of Shipment |
| RB | Replace All Dates |
| RC | Reject Item Change |
| RE | Replacement Item |
| RM | Replacement Item with Modifications |
| RQ | Reschedule/Quantity Change |
| RS | Reschedule |
| RZ | Replace All Values Receiver should replace the corresponding values in the original purchase order with the values contained in the Purchase Order Change Transaction Set |
| TI | Transfer Item |