Tag Field Name Data Type Description Used in
796 AllocCancReplaceReason

AbbrName: CxlRplcRsn
int Reason for cancelling or replacing an Allocation Instruction or Allocation Report message

Valid Values:

1 - Original details incomplete/incorrect
2 - Change in underlying order details
99 - Other

Values "100" and above are reserved for bilaterally agreed upon user defined enumerations.
AllocationInstruction ( with FIXML abbr of CxlRplcRsn )
AllocationReport ( with FIXML abbr of CxlRplcRsn )
AllocationInstructionAlert ( with FIXML abbr of CxlRplcRsn )