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
RL       Rule 11 Domain Dispute
SC       Switch Carrier
SP       Separated Car From Multicar Shipment
TL       Transload
WC       Wrecked Car