| Tag | 
                              Field Name | 
                              Req'd | 
                              Comments | 
                           
                           
                              | 386 | 
                              NoTradingSessions | 
                              Y | 
                               | 
                           
                           
                              | => | 
                              336 | 
                              TradingSessionID | 
                              Y | 
                              Identifier for Trading Session | 
                           
                           
                              | => | 
                              625 | 
                              TradingSessionSubID | 
                              N | 
                               | 
                           
                           
                              | => | 
                              207 | 
                              SecurityExchange | 
                              N | 
                               | 
                           
                           
                              | => | 
                              338 | 
                              TradSesMethod | 
                              N | 
                              Method of Trading | 
                           
                           
                              | => | 
                              339 | 
                              TradSesMode | 
                              N | 
                              Trading Session Mode | 
                           
                           
                              | => | 
                              325 | 
                              UnsolicitedIndicator | 
                              N | 
                              "Y" if message is sent unsolicited as a result of a previous subscription request. | 
                           
                           
                              | => | 
                              340 | 
                              TradSesStatus | 
                              Y | 
                              State of trading session. | 
                           
                           
                              | => | 
                              567 | 
                              TradSesStatusRejReason | 
                              N | 
                              Used with TradSesStatus = "Request Rejected" | 
                           
                           
                              | => | 
                              341 | 
                              TradSesStartTime | 
                              N | 
                              Starting time of trading session | 
                           
                           
                              | => | 
                              342 | 
                              TradSesOpenTime | 
                              N | 
                              Time of the opening of the trading session | 
                           
                           
                              | => | 
                              343 | 
                              TradSesPreCloseTime | 
                              N | 
                              Time of pre-close of trading session | 
                           
                           
                              | => | 
                              344 | 
                              TradSesCloseTime | 
                              N | 
                              Closing time of trading session | 
                           
                           
                              | => | 
                              345 | 
                              TradSesEndTime | 
                              N | 
                              End time of trading session | 
                           
                           
                              | => | 
                              387 | 
                              TotalVolumeTraded | 
                              N | 
                               | 
                           
                           
                              | => | 
                              58 | 
                              Text | 
                              N | 
                               | 
                           
                           
                              | => | 
                              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. | 
                           
                           
                              | => | 
                              1301 | 
                              MarketID | 
                              N | 
                              Market for which Trading Session applies | 
                           
                           
                              | => | 
                              1300 | 
                              MarketSegmentID | 
                              N | 
                              Market Segment for which Trading Session applies | 
                           
                           
                              | => | 
                              1326 | 
                              TradingSessionDesc | 
                              N | 
                               | 
                           
                           
                              | => | 
                              
                                    Component Block - <TradingSessionRules> | 
                              N | 
                              Insert here the set of "TradingSessionRules" fields defined in "common components of application messages" |