| Tag | 
                              Field Name | 
                              Req'd | 
                              Comments | 
                           
                           
                              | <MessageHeader> | 
                              Y | 
                              MsgType <35> = AU
                               | 
                           
                           
                              | 664 | 
                              ConfirmID | 
                              Y | 
                               | 
                           
                           
                              | 75 | 
                              TradeDate | 
                              Y | 
                               | 
                           
                           
                              | 60 | 
                              TransactTime | 
                              Y | 
                              
                                 
                                  Date/Time Allocation Instruction Ack <P> generated
                                  
                                 
                               | 
                           
                           
                              | 940 | 
                              AffirmStatus | 
                              Y | 
                               | 
                           
                           
                              | 774 | 
                              ConfirmRejReason | 
                              N | 
                              
                                 
                                  Required for ConfirmStatus <665> = 1 (rejected)
                                  
                                 
                               | 
                           
                           
                              | 573 | 
                              MatchStatus | 
                              N | 
                              
                                 
                                  Denotes whether the financial details provided on the Confirmation <AK> were successfully matched.
                                  
                                 
                               | 
                           
                           
                              | 58 | 
                              Text | 
                              N | 
                              
                                 
                                  Can include explanation for AllocRejCode <88> = 7 (other)
                                  
                                 
                               | 
                           
                           
                              | 354 | 
                              EncodedTextLen | 
                              N | 
                              
                                 
                                  Must be set if EncodedText <355> field is specified and must immediately precede it.
                                  
                                 
                               | 
                           
                           
                              | 355 | 
                              EncodedText | 
                              N | 
                              
                                 
                                  Encoded (non-ASCII characters) representation of the Text <58> field in the encoded format specified via the MessageEncoding <347> field.
                                  
                                 
                               | 
                           
                           
                              | <MessageTrailer> | 
                              Y | 
                                 |