| Tag | 
                              Field Name | 
                              Req'd | 
                              Comments | 
                           
                           
                              | 
                                    Component Block - <StandardHeader> | 
                              Y | 
                              MsgType = AQ | 
                           
                           
                              | 568 | 
                              TradeRequestID | 
                              Y | 
                              Identifier for the trade request | 
                           
                           
                              | 569 | 
                              TradeRequestType | 
                              Y | 
                               | 
                           
                           
                              | 263 | 
                              SubscriptionRequestType | 
                              N | 
                              
                                  Used to subscribe / unsubscribe for trade capture reports 
                                       If the field is absent, the value 0 will be the default 
                               | 
                           
                           
                              | 748 | 
                              TotNumTradeReports | 
                              N | 
                              Number of trade reports returned | 
                           
                           
                              | 749 | 
                              TradeRequestResult | 
                              Y | 
                              Result of Trade Request | 
                           
                           
                              | 750 | 
                              TradeRequestStatus | 
                              Y | 
                              Status of Trade Request | 
                           
                           
                              | 
                                    Component Block - <Instrument> | 
                              N | 
                              Insert here the set of  "Instrument" (symbology) fields defined in "Common Components of Application Messages" | 
                           
                           
                              | 
                                    Component Block - <UndInstrmtGrp> | 
                              N | 
                               | 
                           
                           
                              | 
                                    Component Block - <InstrmtLegGrp> | 
                              N | 
                              
                                  Number of legs 
                                       NoLegs > 0 identifies a Multi-leg Execution 
                               | 
                           
                           
                              | 442 | 
                              MultiLegReportingType | 
                              N | 
                              Specify type of multileg reporting to be returned. | 
                           
                           
                              | 725 | 
                              ResponseTransportType | 
                              N | 
                              Ability to specify whether the response to the request should be delivered inband or via pre-arranged out-of-band transport. | 
                           
                           
                              | 726 | 
                              ResponseDestination | 
                              N | 
                              URI destination name.  Used if ResponseTransportType is out-of-band. | 
                           
                           
                              | 58 | 
                              Text | 
                              N | 
                              May be used by the executing market to record any execution  Details that are particular to that market | 
                           
                           
                              | 354 | 
                              EncodedTextLen | 
                              N | 
                              Must be set if EncodedText field is specified and must immediately precede it. | 
                           
                           
                              | 355 | 
                              EncodedText | 
                              N | 
                              Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. | 
                           
                           
                              | 1011 | 
                              MessageEventSource | 
                              N | 
                              Used to identify the event or source which gave rise to a message | 
                           
                           
                              | 1003 | 
                              TradeID | 
                              N | 
                               | 
                           
                           
                              | 1040 | 
                              SecondaryTradeID | 
                              N | 
                               | 
                           
                           
                              | 1041 | 
                              FirmTradeID | 
                              N | 
                               | 
                           
                           
                              | 1042 | 
                              SecondaryFirmTradeID | 
                              N | 
                               | 
                           
                           
                              | 
                                    Component Block - <StandardTrailer> | 
                              Y | 
                               |