| Tag | 
                              Field Name | 
                              Req'd | 
                              Comments | 
                           
                           
                              | 
                                    Component Block - <StandardHeader> | 
                              Y | 
                              MsgType = C | 
                           
                           
                              | 164 | 
                              EmailThreadID | 
                              Y | 
                              Unique identifier for the email message thread | 
                           
                           
                              | 94 | 
                              EmailType | 
                              Y | 
                               | 
                           
                           
                              | 42 | 
                              OrigTime | 
                              N | 
                               | 
                           
                           
                              | 147 | 
                              Subject | 
                              Y | 
                              Specifies the Subject text | 
                           
                           
                              | 356 | 
                              EncodedSubjectLen | 
                              N | 
                              Must be set if EncodedSubject field is specified and must immediately precede it. | 
                           
                           
                              | 357 | 
                              EncodedSubject | 
                              N | 
                              Encoded (non-ASCII characters) representation of the Subject field in the encoded format specified via the MessageEncoding
                                 field.
                               | 
                           
                           
                              | 
                                    Component Block - <RoutingGrp> | 
                              N | 
                              Required if any RoutingType and RoutingIDs are specified.  Indicates the number within repeating group. | 
                           
                           
                              | 
                                    Component Block - <InstrmtGrp> | 
                              N | 
                              Specifies the number of repeating symbols (instruments) specified | 
                           
                           
                              | 
                                    Component Block - <UndInstrmtGrp> | 
                              N | 
                              Number of underlyings | 
                           
                           
                              | 
                                    Component Block - <InstrmtLegGrp> | 
                              N | 
                              
                                 
                                  Number of legs 
                                 
                                       Identifies a Multi-leg Execution if present and non-zero. 
                                 
                               | 
                           
                           
                              | 37 | 
                              OrderID | 
                              N | 
                               | 
                           
                           
                              | 11 | 
                              ClOrdID | 
                              N | 
                               | 
                           
                           
                              | 
                                    Component Block - <LinesOfTextGrp> | 
                              Y | 
                              Specifies the number of repeating lines of text specified | 
                           
                           
                              | 95 | 
                              RawDataLength | 
                              N | 
                               | 
                           
                           
                              | 96 | 
                              RawData | 
                              N | 
                               | 
                           
                           
                              | 
                                    Component Block - <StandardTrailer> | 
                              Y | 
                               |