| AD | Adjustment of Previous Freight Bill Charges | 
| AI | Supply Additional Information | 
| AR | Adding Revenue | 
| B1 | Bad Order Car | 
| BA | Bi-lateral Agreement Date not Met | 
| BD | Balance Due Billing | 
| BE | Billing Error | 
| BO | Bad Order Setback/Bill Cancelled | 
| CA | Cancelled Bill | 
| CM | Cancelled Due to Multicars Being Covered on One Waybill | 
| CO | Correction | 
| CP | Correct Container or Consolidation Contents | 
| CS | Consolidation | 
| CT | Cancel Waybill | 
| CU | Covered Under Another Universal Railroad Revenue Waybill Identification | 
| D1 | Diversion or Reconsignment | 
| DC | Dispute Over Collect/Prepaid | 
| DE | Delete Event | 
| DP | Delete Container or Consolidation Contents | 
| DS | Delayed Shipment | 
| EM | Error Move | 
| MB | Miscellaneous Billing | 
| MD | Change Settlement Date | 
| MR | Misroute | 
| NC | No Car (Have Not Received Car) | 
| ND | No Division Available | 
| PD | Past Due Billing | 
| RB | Rebilling (Ignore Previous Bill) | 
| RC | Revenue Correction | 
| RD | Route Dispute | 
| RE | Reassignment/Transfer | 
| RF | Rebuttal, Full (of previously rejected invoice) | 
| RL | Rule 11 Domain Dispute | 
| RP | Rebuttal, Partial (of previously rejected invoice) | 
| SC | Switch Carrier | 
| SP | Separated Car From Multicar Shipment | 
| TL | Transload | 
| WC | Wrecked Car | 
| WS | Work Stoppage |